Updated LESS support for datepicker, progressbar, slider, tooltip, dialog (partial), tabs (partial).
Fixes for some opacity issues found during testing.
Completed LESS portions for Components page. (Dialog and Tab was remaining).

Also, base theme and united theme pages were updated to use respective style.min.css and style2.min.css
Still to take care of converting css to LESS for extra.html and map.html (and the components inside these two pages)