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.
Merge pull request #704 from Foxaii/master

Add jQuery CDN to theme features
root update to bootsrtap 2.3.1