Update CHANGELOG with changes since 6.3.0
Comments clean up, consistent formatting
Update doc/usage.md

HTML5 Boilerplate documentation link was incorrect.  
Root relative URLs
comment
added conditional
Fix (hack) for subdir installs
Fix for admin bar
Update lib/h5bp-htaccess

Removed redundant duplication comment. Just a tiny a tiny thing
updated russian translation
Simplify wp_title()

We recommend you use the WordPress SEO plugin for <title> management
Ref #699 - Update to Bootstrap 2.3.1
Added Greek language translation
correct logic in roots_enable_root_relative_urls
Add jQuery CDN to theme features.
Add jQuery CDN to theme features.
Add instructions to Nginx rewrite config

Prevent problems when plugins include direct-access php files.
Fix for navbar dropdowns

Navbar items with children broke if the menu depth excluded the children.
Such as: wp_nav_menu(array('depth' => 1)) where 2nd level children exist
Updated pt-br translation
div class="media-body" nesting fix