Fixed issue #450 for VS2010 and VS2012.
Complemented the fix for VS 2010 and 2012.
Merge branch 'next-450' of https://github.com/blackberry/VSPlugin into next

Conflicts:
	src/VSNDK.Package/UpdateManager/Model/UpdateManagerData.cs
	src/VSNDK.Package/UpdateManager/UpdateManager.xaml.cs
	src_vs2012/VSNDK.Package/UpdateManager/Model/UpdateManagerData.cs
	src_vs2012/VSNDK.Package/UpdateManager/UpdateManager.xaml.cs