Update to Rx 2.2.2
Start to retarget things to the PLib version
Add existing ReactiveList<T> properties to interfaces
Remove IsEmptyChanged - can be an extension method
Rewrite Reflection to use new 4.5 API
This and That
Merge pull request #438 from reactiveui/portable-xamarin

Portable ReactiveUI.dll, even on Xamarin
Merge pull request #436 from onovotny/interfaces-pullup-members

Add existing ReactiveList<T> properties to interfaces
Merge remote-tracking branch 'origin/master' into rxui6-master

Conflicts:
	ReactiveUI/Interfaces.cs