Merge branch 'feature-movement' into develop
Removed theta from matrix calculation

Wasn’t necessary, as the entities should always face in the direction
of movement
Added Jama to local build path
Merge branch 'develop' into code-cleanup
Added missing constructors to Boss and Butterfly
Fixed comments in EnemyBullet.java
Enemy.java commented
Merge branch 'code-cleanup' into develop
Merge branch 'develop' into feature-movement