[WIP] Implement service to handle game
Externalized file parsing + new Level singleton
EXPERIMENTAL: Collision handling in AsyncTask
Merge branch service
Add Hardware acceleration in LevelActivity
New preference to disable sound output
New thread that fires a bullet every second if a gun is present in the level
Update theme to directly include both level and background Views
New drawables for the players ship
Show a different sprite when player hit a wall or a bullet
Move logic from LevelView to new Level class
Gun class now holds its bullet list
Fixed a few typos in function names and arguments
Position is now a Vector2D (X / Y)
Remove unused GameService
Fix score not resetting when advancing to next level