Pass the ViewModel into the view, or else the binding throws a NullReferenceException
Merge pull request #518 from flagbug/fix-android-playground

Pass the ViewModel into the view, or else the binding throws a NullReferenceException
Support string headers

Also, fixup the ReactiveUI_XSIOS.sln
Merge pull request #519 from reactiveui/support_string_headers

Support string headers
Adds a ReactiveControl : UIControl

Aware of the unfortunate naming here, happy to hear suggestions, but this stays in line with the other UI* subclasses
Add a test to prove filters work
Sketch out a replacement for ReactiveCommand
Wire in exception marshaling
Delete the world
Add command parameters back to execute
Fixup things in ReactiveUI
Make the default ReactiveCommand proxy the parameter
Add an extra Create overload for consistency / sanity
IRoutingState => RoutingState
Patch back in CombinedCommands
Get the tests to compile
IsExecuting as BehaviorSubject
Make sure canExecute fires
More test fixes
Update CombineLatest to reflect new behavior