Remove all frameworks except Bootstrap (#251)

- Remove all frameworks except Bootstrap

- Remove roots-options.php and replace with a more simple
  roots-config.php

- Include all Bootstrap Javascript plugins by default in
  js/plugins.js

- Use Bootstrap Responsive and Topbar navigation by default

- Use Bootstrap markup on forms, page titles, image galleries,
  alerts and errors, post and comment navigation

- Remove Roots styles from style.css and introduce app.css for
  site-specific CSS. Remove almost all previous default Roots
  styles.

- Add latest updates from H5BP project

loop-page.php

@@ -2,9 +2,11 @@
 <?php while (have_posts()) : the_post(); ?>
   <?php roots_post_before(); ?>
     <?php roots_post_inside_before(); ?>
-      <h1><?php the_title(); ?></h1>
+      <div class="page-header">
+      	<h1><?php the_title(); ?></h1>
+      </div>
       <?php the_content(); ?>
-      <?php wp_link_pages(array('before' => '<nav id="page-nav"><p>' . __('Pages:', 'roots'), 'after' => '</p></nav>')); ?>
+      <?php wp_link_pages(array('before' => '<nav class="pagination">', 'after' => '</nav>')); ?>
     <?php roots_post_inside_after(); ?>
   <?php roots_post_after(); ?>
-<?php endwhile; /* End loop */ ?>
+<?php endwhile; /* End loop */ ?>