Squashed commit of the following:

commit ed3f2fa665c47fc1ad2a898f06bcd00efd756358
Author: Jonny Barnes <jonny@jonnybarnes.uk>
Date:   Mon Oct 24 14:13:45 2016 +0100

    Delete bower folder

commit 9166de3f0ac24c9959cf635a4e54ef063486c072
Author: Jonny Barnes <jonny@jonnybarnes.uk>
Date:   Mon Oct 24 14:12:42 2016 +0100

    populate frontend folder, gzip on different machine also produces different .gz files for existing assets

commit 0b1958b01e372886f564f7c08c435c52412e3a30
Author: Jonny Barnes <jonny@jonnybarnes.uk>
Date:   Mon Oct 24 14:11:22 2016 +0100

    use frotnend asset folder instead of bower

commit 60a7b81b876ebb01991ca524d0e49b81f8aefd76
Author: Jonny Barnes <jonny@jonnybarnes.uk>
Date:   Mon Oct 24 13:53:58 2016 +0100

    Move frontend package management to yarn/npm

public/assets/frontend/alertify.css

@@ -0,0 +1 @@
+.alertify-logs>*{padding:12px 24px;color:#fff;box-shadow:0 2px 5px 0 rgba(0,0,0,.2);border-radius:1px}.alertify-logs>*,.alertify-logs>.default{background:rgba(0,0,0,.8)}.alertify-logs>.error{background:rgba(244,67,54,.8)}.alertify-logs>.success{background:rgba(76,175,80,.9)}.alertify{position:fixed;background-color:rgba(0,0,0,.3);left:0;right:0;top:0;bottom:0;width:100%;height:100%;z-index:1}.alertify.hide{opacity:0;pointer-events:none}.alertify,.alertify.show{box-sizing:border-box;transition:all .33s cubic-bezier(.25,.8,.25,1)}.alertify,.alertify *{box-sizing:border-box}.alertify .dialog{padding:12px}.alertify .alert,.alertify .dialog{width:100%;margin:0 auto;position:relative;top:50%;transform:translateY(-50%)}.alertify .alert>*,.alertify .dialog>*{width:400px;max-width:95%;margin:0 auto;text-align:center;padding:12px;background:#fff;box-shadow:0 2px 4px -1px rgba(0,0,0,.14),0 4px 5px 0 rgba(0,0,0,.098),0 1px 10px 0 rgba(0,0,0,.084)}.alertify .alert .msg,.alertify .dialog .msg{padding:12px;margin-bottom:12px;margin:0;text-align:left}.alertify .alert input:not(.form-control),.alertify .dialog input:not(.form-control){margin-bottom:15px;width:100%;font-size:100%;padding:12px}.alertify .alert input:not(.form-control):focus,.alertify .dialog input:not(.form-control):focus{outline-offset:-2px}.alertify .alert nav,.alertify .dialog nav{text-align:right}.alertify .alert nav button:not(.btn):not(.pure-button):not(.md-button):not(.mdl-button),.alertify .dialog nav button:not(.btn):not(.pure-button):not(.md-button):not(.mdl-button){background:transparent;box-sizing:border-box;color:rgba(0,0,0,.87);position:relative;outline:0;border:0;display:inline-block;-ms-flex-align:center;-ms-grid-row-align:center;align-items:center;padding:0 6px;margin:6px 8px;line-height:36px;min-height:36px;white-space:nowrap;min-width:88px;text-align:center;text-transform:uppercase;font-size:14px;text-decoration:none;cursor:pointer;border:1px solid transparent;border-radius:2px}.alertify .alert nav button:not(.btn):not(.pure-button):not(.md-button):not(.mdl-button):active,.alertify .alert nav button:not(.btn):not(.pure-button):not(.md-button):not(.mdl-button):hover,.alertify .dialog nav button:not(.btn):not(.pure-button):not(.md-button):not(.mdl-button):active,.alertify .dialog nav button:not(.btn):not(.pure-button):not(.md-button):not(.mdl-button):hover{background-color:rgba(0,0,0,.05)}.alertify .alert nav button:not(.btn):not(.pure-button):not(.md-button):not(.mdl-button):focus,.alertify .dialog nav button:not(.btn):not(.pure-button):not(.md-button):not(.mdl-button):focus{border:1px solid rgba(0,0,0,.1)}.alertify .alert nav button.btn,.alertify .dialog nav button.btn{margin:6px 4px}.alertify-logs{position:fixed;z-index:1}.alertify-logs.bottom,.alertify-logs:not(.top){bottom:16px}.alertify-logs.left,.alertify-logs:not(.right){left:16px}.alertify-logs.left>*,.alertify-logs:not(.right)>*{float:left;transform:translateZ(0);height:auto}.alertify-logs.left>.show,.alertify-logs:not(.right)>.show{left:0}.alertify-logs.left>*,.alertify-logs.left>.hide,.alertify-logs:not(.right)>*,.alertify-logs:not(.right)>.hide{left:-110%}.alertify-logs.right{right:16px}.alertify-logs.right>*{float:right;transform:translateZ(0)}.alertify-logs.right>.show{right:0;opacity:1}.alertify-logs.right>*,.alertify-logs.right>.hide{right:-110%;opacity:0}.alertify-logs.top{top:0}.alertify-logs>*{box-sizing:border-box;transition:all .4s cubic-bezier(.25,.8,.25,1);position:relative;clear:both;backface-visibility:hidden;perspective:1000;max-height:0;margin:0;padding:0;overflow:hidden;opacity:0;pointer-events:none}.alertify-logs>.show{margin-top:12px;opacity:1;max-height:1000px;padding:12px;pointer-events:auto}

public/assets/frontend/fetch.js

@@ -0,0 +1,433 @@
+(function(self) {
+  'use strict';
+
+  if (self.fetch) {
+    return
+  }
+
+  var support = {
+    searchParams: 'URLSearchParams' in self,
+    iterable: 'Symbol' in self && 'iterator' in Symbol,
+    blob: 'FileReader' in self && 'Blob' in self && (function() {
+      try {
+        new Blob()
+        return true
+      } catch(e) {
+        return false
+      }
+    })(),
+    formData: 'FormData' in self,
+    arrayBuffer: 'ArrayBuffer' in self
+  }
+
+  function normalizeName(name) {
+    if (typeof name !== 'string') {
+      name = String(name)
+    }
+    if (/[^a-z0-9\-#$%&'*+.\^_`|~]/i.test(name)) {
+      throw new TypeError('Invalid character in header field name')
+    }
+    return name.toLowerCase()
+  }
+
+  function normalizeValue(value) {
+    if (typeof value !== 'string') {
+      value = String(value)
+    }
+    return value
+  }
+
+  // Build a destructive iterator for the value list
+  function iteratorFor(items) {
+    var iterator = {
+      next: function() {
+        var value = items.shift()
+        return {done: value === undefined, value: value}
+      }
+    }
+
+    if (support.iterable) {
+      iterator[Symbol.iterator] = function() {
+        return iterator
+      }
+    }
+
+    return iterator
+  }
+
+  function Headers(headers) {
+    this.map = {}
+
+    if (headers instanceof Headers) {
+      headers.forEach(function(value, name) {
+        this.append(name, value)
+      }, this)
+
+    } else if (headers) {
+      Object.getOwnPropertyNames(headers).forEach(function(name) {
+        this.append(name, headers[name])
+      }, this)
+    }
+  }
+
+  Headers.prototype.append = function(name, value) {
+    name = normalizeName(name)
+    value = normalizeValue(value)
+    var list = this.map[name]
+    if (!list) {
+      list = []
+      this.map[name] = list
+    }
+    list.push(value)
+  }
+
+  Headers.prototype['delete'] = function(name) {
+    delete this.map[normalizeName(name)]
+  }
+
+  Headers.prototype.get = function(name) {
+    var values = this.map[normalizeName(name)]
+    return values ? values[0] : null
+  }
+
+  Headers.prototype.getAll = function(name) {
+    return this.map[normalizeName(name)] || []
+  }
+
+  Headers.prototype.has = function(name) {
+    return this.map.hasOwnProperty(normalizeName(name))
+  }
+
+  Headers.prototype.set = function(name, value) {
+    this.map[normalizeName(name)] = [normalizeValue(value)]
+  }
+
+  Headers.prototype.forEach = function(callback, thisArg) {
+    Object.getOwnPropertyNames(this.map).forEach(function(name) {
+      this.map[name].forEach(function(value) {
+        callback.call(thisArg, value, name, this)
+      }, this)
+    }, this)
+  }
+
+  Headers.prototype.keys = function() {
+    var items = []
+    this.forEach(function(value, name) { items.push(name) })
+    return iteratorFor(items)
+  }
+
+  Headers.prototype.values = function() {
+    var items = []
+    this.forEach(function(value) { items.push(value) })
+    return iteratorFor(items)
+  }
+
+  Headers.prototype.entries = function() {
+    var items = []
+    this.forEach(function(value, name) { items.push([name, value]) })
+    return iteratorFor(items)
+  }
+
+  if (support.iterable) {
+    Headers.prototype[Symbol.iterator] = Headers.prototype.entries
+  }
+
+  function consumed(body) {
+    if (body.bodyUsed) {
+      return Promise.reject(new TypeError('Already read'))
+    }
+    body.bodyUsed = true
+  }
+
+  function fileReaderReady(reader) {
+    return new Promise(function(resolve, reject) {
+      reader.onload = function() {
+        resolve(reader.result)
+      }
+      reader.onerror = function() {
+        reject(reader.error)
+      }
+    })
+  }
+
+  function readBlobAsArrayBuffer(blob) {
+    var reader = new FileReader()
+    reader.readAsArrayBuffer(blob)
+    return fileReaderReady(reader)
+  }
+
+  function readBlobAsText(blob) {
+    var reader = new FileReader()
+    reader.readAsText(blob)
+    return fileReaderReady(reader)
+  }
+
+  function Body() {
+    this.bodyUsed = false
+
+    this._initBody = function(body) {
+      this._bodyInit = body
+      if (typeof body === 'string') {
+        this._bodyText = body
+      } else if (support.blob && Blob.prototype.isPrototypeOf(body)) {
+        this._bodyBlob = body
+      } else if (support.formData && FormData.prototype.isPrototypeOf(body)) {
+        this._bodyFormData = body
+      } else if (support.searchParams && URLSearchParams.prototype.isPrototypeOf(body)) {
+        this._bodyText = body.toString()
+      } else if (!body) {
+        this._bodyText = ''
+      } else if (support.arrayBuffer && ArrayBuffer.prototype.isPrototypeOf(body)) {
+        // Only support ArrayBuffers for POST method.
+        // Receiving ArrayBuffers happens via Blobs, instead.
+      } else {
+        throw new Error('unsupported BodyInit type')
+      }
+
+      if (!this.headers.get('content-type')) {
+        if (typeof body === 'string') {
+          this.headers.set('content-type', 'text/plain;charset=UTF-8')
+        } else if (this._bodyBlob && this._bodyBlob.type) {
+          this.headers.set('content-type', this._bodyBlob.type)
+        } else if (support.searchParams && URLSearchParams.prototype.isPrototypeOf(body)) {
+          this.headers.set('content-type', 'application/x-www-form-urlencoded;charset=UTF-8')
+        }
+      }
+    }
+
+    if (support.blob) {
+      this.blob = function() {
+        var rejected = consumed(this)
+        if (rejected) {
+          return rejected
+        }
+
+        if (this._bodyBlob) {
+          return Promise.resolve(this._bodyBlob)
+        } else if (this._bodyFormData) {
+          throw new Error('could not read FormData body as blob')
+        } else {
+          return Promise.resolve(new Blob([this._bodyText]))
+        }
+      }
+
+      this.arrayBuffer = function() {
+        return this.blob().then(readBlobAsArrayBuffer)
+      }
+
+      this.text = function() {
+        var rejected = consumed(this)
+        if (rejected) {
+          return rejected
+        }
+
+        if (this._bodyBlob) {
+          return readBlobAsText(this._bodyBlob)
+        } else if (this._bodyFormData) {
+          throw new Error('could not read FormData body as text')
+        } else {
+          return Promise.resolve(this._bodyText)
+        }
+      }
+    } else {
+      this.text = function() {
+        var rejected = consumed(this)
+        return rejected ? rejected : Promise.resolve(this._bodyText)
+      }
+    }
+
+    if (support.formData) {
+      this.formData = function() {
+        return this.text().then(decode)
+      }
+    }
+
+    this.json = function() {
+      return this.text().then(JSON.parse)
+    }
+
+    return this
+  }
+
+  // HTTP methods whose capitalization should be normalized
+  var methods = ['DELETE', 'GET', 'HEAD', 'OPTIONS', 'POST', 'PUT']
+
+  function normalizeMethod(method) {
+    var upcased = method.toUpperCase()
+    return (methods.indexOf(upcased) > -1) ? upcased : method
+  }
+
+  function Request(input, options) {
+    options = options || {}
+    var body = options.body
+    if (Request.prototype.isPrototypeOf(input)) {
+      if (input.bodyUsed) {
+        throw new TypeError('Already read')
+      }
+      this.url = input.url
+      this.credentials = input.credentials
+      if (!options.headers) {
+        this.headers = new Headers(input.headers)
+      }
+      this.method = input.method
+      this.mode = input.mode
+      if (!body) {
+        body = input._bodyInit
+        input.bodyUsed = true
+      }
+    } else {
+      this.url = input
+    }
+
+    this.credentials = options.credentials || this.credentials || 'omit'
+    if (options.headers || !this.headers) {
+      this.headers = new Headers(options.headers)
+    }
+    this.method = normalizeMethod(options.method || this.method || 'GET')
+    this.mode = options.mode || this.mode || null
+    this.referrer = null
+
+    if ((this.method === 'GET' || this.method === 'HEAD') && body) {
+      throw new TypeError('Body not allowed for GET or HEAD requests')
+    }
+    this._initBody(body)
+  }
+
+  Request.prototype.clone = function() {
+    return new Request(this)
+  }
+
+  function decode(body) {
+    var form = new FormData()
+    body.trim().split('&').forEach(function(bytes) {
+      if (bytes) {
+        var split = bytes.split('=')
+        var name = split.shift().replace(/\+/g, ' ')
+        var value = split.join('=').replace(/\+/g, ' ')
+        form.append(decodeURIComponent(name), decodeURIComponent(value))
+      }
+    })
+    return form
+  }
+
+  function headers(xhr) {
+    var head = new Headers()
+    var pairs = (xhr.getAllResponseHeaders() || '').trim().split('\n')
+    pairs.forEach(function(header) {
+      var split = header.trim().split(':')
+      var key = split.shift().trim()
+      var value = split.join(':').trim()
+      head.append(key, value)
+    })
+    return head
+  }
+
+  Body.call(Request.prototype)
+
+  function Response(bodyInit, options) {
+    if (!options) {
+      options = {}
+    }
+
+    this.type = 'default'
+    this.status = options.status
+    this.ok = this.status >= 200 && this.status < 300
+    this.statusText = options.statusText
+    this.headers = options.headers instanceof Headers ? options.headers : new Headers(options.headers)
+    this.url = options.url || ''
+    this._initBody(bodyInit)
+  }
+
+  Body.call(Response.prototype)
+
+  Response.prototype.clone = function() {
+    return new Response(this._bodyInit, {
+      status: this.status,
+      statusText: this.statusText,
+      headers: new Headers(this.headers),
+      url: this.url
+    })
+  }
+
+  Response.error = function() {
+    var response = new Response(null, {status: 0, statusText: ''})
+    response.type = 'error'
+    return response
+  }
+
+  var redirectStatuses = [301, 302, 303, 307, 308]
+
+  Response.redirect = function(url, status) {
+    if (redirectStatuses.indexOf(status) === -1) {
+      throw new RangeError('Invalid status code')
+    }
+
+    return new Response(null, {status: status, headers: {location: url}})
+  }
+
+  self.Headers = Headers
+  self.Request = Request
+  self.Response = Response
+
+  self.fetch = function(input, init) {
+    return new Promise(function(resolve, reject) {
+      var request
+      if (Request.prototype.isPrototypeOf(input) && !init) {
+        request = input
+      } else {
+        request = new Request(input, init)
+      }
+
+      var xhr = new XMLHttpRequest()
+
+      function responseURL() {
+        if ('responseURL' in xhr) {
+          return xhr.responseURL
+        }
+
+        // Avoid security warnings on getResponseHeader when not allowed by CORS
+        if (/^X-Request-URL:/m.test(xhr.getAllResponseHeaders())) {
+          return xhr.getResponseHeader('X-Request-URL')
+        }
+
+        return
+      }
+
+      xhr.onload = function() {
+        var options = {
+          status: xhr.status,
+          statusText: xhr.statusText,
+          headers: headers(xhr),
+          url: responseURL()
+        }
+        var body = 'response' in xhr ? xhr.response : xhr.responseText
+        resolve(new Response(body, options))
+      }
+
+      xhr.onerror = function() {
+        reject(new TypeError('Network request failed'))
+      }
+
+      xhr.ontimeout = function() {
+        reject(new TypeError('Network request failed'))
+      }
+
+      xhr.open(request.method, request.url, true)
+
+      if (request.credentials === 'include') {
+        xhr.withCredentials = true
+      }
+
+      if ('responseType' in xhr && support.blob) {
+        xhr.responseType = 'blob'
+      }
+
+      request.headers.forEach(function(value, name) {
+        xhr.setRequestHeader(name, value)
+      })
+
+      xhr.send(typeof request._bodyInit === 'undefined' ? null : request._bodyInit)
+    })
+  }
+  self.fetch.polyfill = true
+})(typeof self !== 'undefined' ? self : this);