Game now correctly disposed on exit of the activity
Game can now be exited and re-launched on Android multiple times without errors.
Remove test code.
Fix non-Android compile error.
Fixed a bug in the ContentWriter.cs where when processing List<T> types it
failed to find the correct TypeWriter
Merge pull request #1969 from dellis1972/develop

Fixed a bug in the ContentWriter.cs where when processing List<T> types
Merge pull request #1964 from KonajuGames/game-dispose

Game now correctly disposed on exit of the activity
Merge branch 'develop' of git://github.com/mono/MonoGame into monogame-sdl2