css edit + cdn structure + file org

1.Removed most css files and added all customizations to one new file
(bitrule.css).
2. Now using bootstrap.min.css as base css for all pages.
2.1 Now using cdn for jquery.js.
3. placed al pages (homepage +inner pages) on same level, removed
redundant folders, js files and images.
4. Changed size of homepage images (features images) to ~320px.
5. Changed favicon to black on transparent bg. Added another optional
fav icon of white over black bg.