Design Time helpers added for color and visibility (store and winphone) - fixes #323
other: the missing files... sorry 'bout that
Fix IList<> check
Merge branch 'v3' of https://github.com/csteeg/MvvmCross into TibetBinding

Conflicts:
	CrossUI/CrossUI.Core/Builder/KeyedUserInterfaceBuilder.cs
Commits to the Dialog code