Bootstrap 3 compatibility

Refactored so that jq-ui-bootstrap  .less files can use either Bootstrap
2 or Bootstrap 3 as a base.

To switch to Bootstrap 3.x, comment out the Bootstrap 2.x import
statements, and uncomment the Bootstrap 3.x import statements in
styles.less
Removing Bootstrap 3 from this branch (will add on masterbs3 branch)
converted less file was misnamed. fixed.
update to reference jquery-ui adapter variables
Merge pull request #208 from bcullman/gh-pages

Setting up the Adapter pattern so that the project can design against Bootstrap2x and Booststrap3x