Remove AnchorJS, native anchor styling

lib/gollum/public/gollum/javascript/app.js

@@ -1,5 +1,4 @@
 //= require jquery-1.7.2.min
-//= require anchor.min.js
 //= require mousetrap.min
 //= require gollum
 //= require gollum.dialog

lib/gollum/public/gollum/javascript/gollum.js.erb

@@ -486,23 +486,8 @@ $(document).ready(function() {
     // Set text direction auto
     $('.markdown-body p, .markdown-body span, .markdown-body pre, .markdown-body table').attr('dir','auto');
 
-    // Setup anchors with AnchorJS
-
-    // Normal link anchors first
-    anchors.options = {
-      icon: '',
-      placement: 'left',
-      visible: 'hover'
-    };
-    var anchorSelectors = [];
-    //h1-h6
-    for (var i = 1; i < 7; i++){
-      anchorSelectors.push('.markdown-body h' + i.toString());
-    }
-    anchors.add(anchorSelectors.join(', '));
-
     // Copy anchors for each editable header and give it the new anchor the 'edit' class, to display a link to edit the section
-    $('a.anchorjs-link').each(function (index, anchor) {
+    $('a.anchor').each(function (index, anchor) {
       header = $(anchor).closest(':header');
       if (header.hasClass('editable')){
         var newUrl = routePath('edit') + '/' + pageName() + $(anchor).attr('href');

lib/gollum/public/gollum/stylesheets/template.scss.erb

@@ -79,26 +79,34 @@ a {
   overflow: hidden;
   word-wrap: break-word;
 
-  .anchorjs-link {
+  .anchor {
     display: inline-block;
+    position: absolute;
+    opacity: 0;
     background: url('data:image/svg+xml;utf8,<%= rocticon_css(:link) %>') no-repeat;
-    margin-left: -0.8em !important;
+    background-size: 0.6em 1.35em;
-    margin-top: 0.4em;
+    padding-right: 0.5em;
+    padding-top: 0.4em;
+    margin-left: -0.8em;
     width: 1em;
-    height: 0.6em;
+    height: 1em;
     text-decoration: none;
     transition-property: opacity;
-        transition: 0.1s;
+    transition: 0.1s;
     transition-delay: 0.5s;
   }
 
-  .anchorjs-link.edit {
+  *:hover > .anchor, .anchor:focus{
+    opacity: 1;
+  }
+
+  .anchor.edit {
     margin-left: 2em !important;
     margin-top: 0.5em;
     height: 0.5em;
     background: url('data:image/svg+xml;utf8,<%= rocticon_css(:pencil) %>') no-repeat;
   }
-  
+
   a {
     &.absent {
       color: $red;