Progress bar for material cards
Add partial match engine.

Currently using netease only. Closes #1 and closes #2.  To finish for
beta 2/3.
Optimize match algorithm

wasn't as reliable as I expected, much better now.   previously had
problem with getting remix of the specify song.
Merge remote-tracking branch 'upstream/develop' into develop

Conflicts:
	Audiotica.Data/Audiotica.Data.csproj

	modified:   Apps/Audiotica.Shared/ViewModel/MainViewModel.cs
	modified:   Apps/Audiotica.WindowsPhone/View/HomePage.xaml
	modified:   Audiotica.Core/Audiotica.Core.csproj
	modified:   Audiotica.Core/Common/MaterialCard.cs
	new file:   Audiotica.Core/Common/VisibilityConverter.cs
	modified:   Audiotica.Core/Themes/Generic.xaml
	new file:   Audiotica.Core/Utilities/StringExtensions.cs
	new file:   Audiotica.Core/packages.config
	modified:   Audiotica.Data/Audiotica.Data.csproj
	new file:   Audiotica.Data/Model/NeteaseDetail.cs
	new file:   Audiotica.Data/Model/NeteaseSearch.cs
	new file:   Audiotica.Data/SongMatchEngine.cs