Merge branch 'release/0.1'
Merge branch 'release/0.2'
Add more logging and correct immunity handling, gridStatus now clones the array correctly
Fix wrong method calls after refactoring
Add internal test mode where no new tiles get spawned randomly, add more output
Merge branch 'hotfix/kill-double-merge' into develop
Move game engine to intent service to run in a separate thread

Use local broadcasts to communicate game engine and control events (lose coupling)
Bump version to 0.3 for release
Merge branch 'release/0.3' into develop