First pass on major Casper overhaul and new Multi-user support

- Introduces author.hbs page template
- Completely refactors header styling with new full-screen cover images
- Adds new, improved pagination with additional styles for archive pages
- Cleans up a fuckload of bloat and old styles

tag.hbs

@@ -4,15 +4,15 @@
     the {body} of the default.hbs template, which contains our header/footer. }}
 
 {{! The big featured header on the homepage, with the site logo and description }}
-<header class="site-head" {{#if @blog.cover}}style="background-image: url({{@blog.cover}})"{{/if}}>
+<header class="tag-head main-header" {{#if @blog.cover}}style="background-image: url({{@blog.cover}})"{{/if}}>
     <nav class="main-nav overlay clearfix">
         <a class="back-button icon-arrow-left" href="{{@blog.url}}">Home</a>
         <a class="subscribe-button icon-feed" href="{{@blog.url}}/rss/">Subscribe</a>
     </nav>
     <div class="vertical">
-        <div class="site-head-content inner">
-            <h1 class="blog-title">{{tag.name}}</h1>
-            <h2 class="blog-description">A {{pagination.total}}-post collection</h2>
+        <div class="main-header-content inner">
+            <h1 class="page-title">{{tag.name}}</h1>
+            <h2 class="page-description">A {{pagination.total}}-post collection</h2>
         </div>
     </div>
 </header>
@@ -20,9 +20,13 @@
 {{! The main content area on the homepage }}
 <main class="content" role="main">
 
+    {{! Previous/next page links - only displayed on page 2+ }}
+    <div class="extra-pagination inner">
+        {{pagination}}
+    </div>
+
     {{! Each post will be output using this markup }}
     {{#foreach posts}}
-
     <article class="{{post_class}}">
         <header class="post-header">
             <span class="post-meta"><time datetime="{{date format='YYYY-MM-DD'}}">{{date format="DD MMM YYYY"}}</time> {{tags prefix="on "}}</span>
@@ -30,10 +34,9 @@
 
         </header>
         <section class="post-excerpt">
-            <p>{{excerpt}}&hellip;</p>
+            <p>{{excerpt}} <a class="read-more" href="{{url}}">&raquo;</a></p>
         </section>
     </article>
-
     {{/foreach}}
 
     {{! After all the posts, we have the previous/next pagination links }}