added less support
added bootstrap less files
changed structure of fonts dir

* moved fonts to separate subdirs
* made appropriate changes to bootstrap/variables.less
added flat-ui less files

* also replaced old flat-ui icon fonts with latest ones
* and made appropriate changes to flat-ui/variables.less
added public/css dir to .gitignore

at this point all css files are compiled from less on the fly
added latest versions from jquery and jquery-legacy branches
added latest flat-ui js
corrected filesnames of jquery and jquery-legacy js min files and maps
added latest bootstrap js files (to match bootstrap less files from 3.2.0)
added icomoon icon fonts support

* copied icomoon icon fonts
* created icomoon.less
Merge pull request #1 from zia-newversion/master

added support for less-middleware

Thank you Zia!