Removed all $experimental blocks.
Removed WebKit adjacent/general sibling & pseudo class fix. The bug was resolved in Safari 5.1 and Chrome 13.
Removed $experimental definition.
Removed references to the $experimental flag in docs.
Replaced prefixed border-radius properties with side-radius mixin in _forms.scss
Replaced translate3d mixin with non prefixed property.
Removed vendor prefixed properties from _xy-center.scss
Removed all vendor prefixed properties from _orbit.scss, with the exception of those that are being used to target WebKit specific bugs.
Removed vendor prefixed properties from _offcanvas.scss
Removed vendor prefixed properties from doc scss includes.
Added grunt-autoprefixer and grunt-contrib-cssmin tasks.
Replaced translate3d mixin with standard transform property in _offcanvas.scss
Re-introduced the $experimental flag and an associated mixin to control the inclusion of experimental or explicitly vendor prefixed properties.
Merge branch 'feature/autoprefixer' of https://github.com/tmugford/foundation into tmugford-feature/autoprefixer

Conflicts:
	Gruntfile.js
Merge branch 'master' of github.com:zurb/foundation