Added Gamemode Support to GameActivity

Views and Layouts are not stored inside each relative Child Game Class
Null Check in TileRenderer
Revert "Added Gamemode Support to GameActivity"

This reverts commit c446ad112343d89c87adcbea20f1bf458f760281.
Revert "Revert "Added Gamemode Support to GameActivity""

This reverts commit 29e269e516e5c66f4a0efe0254bfdde0eddefb49.
Tools -> Android -> Sync Project with Grade Files

Synced project again. Phew
Merge pull request #1 from Coggroach/GamemodeSupport

Gamemode support