Added precomposed keywords for getting full control over the icons and adds android support
Added ipad retina icon
Merge branch 'master' into develop

Conflicts:
	index.html
Updated javascript libraries
Ignore sass cache folder
Explained the use of icons
We don't support IE 6 anymore, IE 9 fixes are rare and simplified IE classes
Updated normalize to v2.1.0
Replaced old IE classes
Structure and filenames a bit more in sync with H5BP
Removed sass cache files
Changed onload back to short version
Merge branch 'develop' of github.com:Inventis/styleguide into develop

Conflicts:
	assets/default/sass/main.scss