Removed background color from #gradient mixins to support transparent gradients
Merge branch '3.0.0-wip' of https://github.com/archanl/bootstrap into archanl-3.0.0-wip

Conflicts:
	less/mixins.less
update use of mixins and add bg-colors where necessary
Merge branch '3.0.0-wip' of github.com:twbs/bootstrap into 3.0.0-wip