Add github contribute link to footer of all qunitjs.com pages. Closes gh-189

Author: johnkpaul

themes/qunitjs.com/content-page.php

@@ -0,0 +1,15 @@
+<?php
+/**
+ * The template used for displaying pages
+ *
+ * the_content() pulls in data from GitHub repositories
+ * All content is managed by repositories at: https://github.com/jquery
+ */
+?>
+
+<?php the_content(); ?>
+<?php $column_count = is_front_page() ? "six" : "eight"; ?>
+<aside class="github-feedback <?php echo $column_count; ?> columns">
+        <h3>Suggestions, Problems, Feedback?</h3>
+        <a class="button dark" href="<?php echo jq_get_github_url(); ?>"><i class="icon-github"></i>  Open an Issue or Submit a Pull Request on GitHub</a>
+</aside>

themes/qunitjs.com/style.css

@@ -18,3 +18,11 @@ a {
 	border: 1px solid #ccc;
 	border-radius: 5px;
 }
+
+.github-feedback {
+	margin-top: 1.5em;
+}
+
+.icon-github {
+	color: #FFF;
+}