Cleaning up live tile implementation and code refactoring.
Fixing issue where live tiles were not resetting.
Adding custom feedback helper.
Updating live tile notifications such that only importance level 1 items are counted.
Cleaning up feedback implementation.
Update ServiceClient.cs
Merge branch 'experimental'

Conflicts:
	BreakingNews.API/ServiceClient.cs
	BreakingNews.Imaging/FlipTileTemplate.xaml
	BreakingNews.Imaging/FlipTileTemplateBack.xaml.cs
	BreakingNews.Imaging/FlipTileTemplateWideBack.xaml.cs
	BreakingNews/BreakingNews.csproj
	BreakingNews/Common/NotificationsManager.cs