Better init placement of world objects for testing
Bugfix: ConcurrentModificationException while colonies gathering
resources
Adjust colonize_radius_per_unit_energy for colonies to increase gaming
speed for testing
Added Mockito
Small refactoring
Attacking a colony destroys it (and it disappears)
Added a win condition: Destroy all enemy bases.
Various locks to avoid ConcurrentModificationExceptions. Should've
started with Scala. Have been told that due to immutable objects there
aren't any ConcurrentModificationExceptions in Scala. Next time ...