RIP old solutions
Let's set up some project files
Make ReactiveUI.sln everything non-Xamarin
Update to latest Rx built on 3.0.10
Fix up the solution for Xamarin
Make ReactiveUI_XSAll.sln build
Add sln for projects that can *only* be built in Xamarin Studio (Xamarin.Mac)
Handle some quirkiness around framework type resolution on MonoDroid
Fix inner types
Implement Events for Monodroid
Add Monotouch ReactiveUI.Events, fix up build paths
Merge pull request #286 from reactiveui/fixup-xamarin

Fixup Xamarin solution files + Add ReactiveUI.Events for Xamarin.iOS / Xamarin.Android