Add PCL project for interfaces
Split IFilesystemProvider into separate file
Remove support for .NET 4, SL and WP7.x as Rx doesn't support them for PCLs
Move IBlobCache to Interfaces
Move extension methods to pcl
Move HttpMixin to PCL
Update NuSpecs for PCL & bumped package ver to 2.6.5
Update NuSpecs for PCL & bumped package ver to 2.6.5
Moved akavache nuspec to workaround nuget pack's relative path issues
Move everything to RxUI 5.0 and new JSON.NET
Don't merge=union, I'm a pro
Merge remote-tracking branch 'origin/master' into akavache3

Conflicts:
	Akavache.Mobile/Akavache.Mobile.nuspec
	Akavache.Sqlite3/Akavache.Sqlite3.nuspec
	Akavache/akavache.nuspec
RIP dead platforms
Version bump to 3.0.0.20130513-alpha
Fix up project files
God I hate VS
Drop the arch suffixes like RxUI does now
Fix up version on Akavache.Interfaces
Redo NuSpec files
Grumble commiting shit grumble