Add a BindToTarget for Android to enable binding arbitrary commands to a View
Initial ReactiveListAdapter - big work in progress.
Add files to project
Add support for wiring up properties to control's by id within a view or activity.

Also, add a ReactiveLinearLayout as a container for bindable layouts in list adapters
Merge branch 'rxui6-master' into rxui6-android-dev
Fix android build - leftovers from PR #468
Remove old platform-specific projects
Add intermediate output path to prevent builds from stepping on each other
Fix up android playground app, mostly.
Add support for auto-wiring fragments
Make ctors protected
Make auto-wire up opt-in
Add another intermediate output path
Add an example showing reactive binding in a list view
pretty-up formatting of the numbers
Remove unused property
Add two-way binding support for more view types
Remove more EnsureInitializeds
Merge branch 'rxui6-master' into rxui6-android-dev
Fix style