Merge pull request #212 from dharapvj/masterbs3

LESS Support - Part 2
Setting up the Adapter pattern so that the project can design against Bootstrap2x and Booststrap3x

also, adding spacelab bootswatch theme (bootswatch  united theme is not
currently not offered in .less format)
Merge pull request #213 from bcullman/masterbs3

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