Squashed commit of the following:

commit 92c55c5705
Author: Jonny Barnes <jonny@jonnybarnes.uk>
Date:   Thu Jun 16 23:26:41 2016 +0100

    Update resource links

commit a72719dc24
Author: Jonny Barnes <jonny@jonnybarnes.uk>
Date:   Thu Jun 16 23:18:44 2016 +0100

    Move hand-made js to resources

public/assets/prism/prism.css

@@ -0,0 +1,188 @@
+/* http://prismjs.com/download.html?themes=prism-dark&languages=markup+css+clike+javascript+git+http+markdown+php+php-extras+scss+sql&plugins=line-numbers+show-invisibles */
+/**
+ * prism.js Dark theme for JavaScript, CSS and HTML
+ * Based on the slides of the talk “/Reg(exp){2}lained/”
+ * @author Lea Verou
+ */
+
+code[class*="language-"],
+pre[class*="language-"] {
+        color: white;
+        text-shadow: 0 -.1em .2em black;
+        font-family: Consolas, Monaco, 'Andale Mono', 'Ubuntu Mono', monospace;
+        direction: ltr;
+        text-align: left;
+        white-space: pre;
+        word-spacing: normal;
+        word-break: normal;
+        line-height: 1.5;
+
+        -moz-tab-size: 4;
+        -o-tab-size: 4;
+        tab-size: 4;
+
+        -webkit-hyphens: none;
+        -moz-hyphens: none;
+        -ms-hyphens: none;
+        hyphens: none;
+}
+
+@media print {
+        code[class*="language-"],
+        pre[class*="language-"] {
+                text-shadow: none;
+        }
+}
+
+pre[class*="language-"],
+:not(pre) > code[class*="language-"] {
+        background: hsl(30, 20%, 25%);
+}
+
+/* Code blocks */
+pre[class*="language-"] {
+        padding: 1em;
+        margin: .5em 0;
+        overflow: auto;
+        border: .3em solid hsl(30, 20%, 40%);
+        border-radius: .5em;
+        box-shadow: 1px 1px .5em black inset;
+}
+
+/* Inline code */
+:not(pre) > code[class*="language-"] {
+        padding: .15em .2em .05em;
+        border-radius: .3em;
+        border: .13em solid hsl(30, 20%, 40%);
+        box-shadow: 1px 1px .3em -.1em black inset;
+}
+
+.token.comment,
+.token.prolog,
+.token.doctype,
+.token.cdata {
+        color: hsl(30, 20%, 50%);
+}
+
+.token.punctuation {
+        opacity: .7;
+}
+
+.namespace {
+        opacity: .7;
+}
+
+.token.property,
+.token.tag,
+.token.boolean,
+.token.number,
+.token.constant,
+.token.symbol {
+        color: hsl(350, 40%, 70%);
+}
+
+.token.selector,
+.token.attr-name,
+.token.string,
+.token.char,
+.token.builtin,
+.token.inserted {
+        color: hsl(75, 70%, 60%);
+}
+
+.token.operator,
+.token.entity,
+.token.url,
+.language-css .token.string,
+.style .token.string,
+.token.variable {
+        color: hsl(40, 90%, 60%);
+}
+
+.token.atrule,
+.token.attr-value,
+.token.keyword {
+        color: hsl(350, 40%, 70%);
+}
+
+.token.regex,
+.token.important {
+        color: #e90;
+}
+
+.token.important,
+.token.bold {
+        font-weight: bold;
+}
+.token.italic {
+        font-style: italic;
+}
+
+.token.entity {
+        cursor: help;
+}
+
+.token.deleted {
+        color: red;
+}
+
+pre.line-numbers {
+        position: relative;
+        padding-left: 3.8em;
+        counter-reset: linenumber;
+}
+
+pre.line-numbers > code {
+        position: relative;
+}
+
+.line-numbers .line-numbers-rows {
+        position: absolute;
+        pointer-events: none;
+        top: 0;
+        font-size: 100%;
+        left: -3.8em;
+        width: 3em; /* works for line-numbers below 1000 lines */
+        letter-spacing: -1px;
+        border-right: 1px solid #999;
+
+        -webkit-user-select: none;
+        -moz-user-select: none;
+        -ms-user-select: none;
+        user-select: none;
+
+}
+
+        .line-numbers-rows > span {
+                pointer-events: none;
+                display: block;
+                counter-increment: linenumber;
+        }
+
+                .line-numbers-rows > span:before {
+                        content: counter(linenumber);
+                        color: #999;
+                        display: block;
+                        padding-right: 0.8em;
+                        text-align: right;
+                }
+.token.tab:not(:empty):before,
+.token.cr:before,
+.token.lf:before {
+        color: hsl(24, 20%, 85%);
+}
+
+.token.tab:not(:empty):before {
+    content: '\21E5';
+}
+
+.token.cr:before {
+    content: '\240D';
+}
+
+.token.crlf:before {
+    content: '\240D\240A';
+}
+.token.lf:before {
+    content: '\240A';
+}