now the time between each anemy and between each wave can be set
seperately
cleanup/renaming
cleanup
cleanup
cleanup
cleanup
added EnemyType, that lets you create an EnemyType once. Then you can
create an Object from that type as often as you want. Also created
EnemyTypes. It assignes a number to each EnemyType and lets you create
an Enemy just with that number
added comments
added ability to choose your own radius
comments
now EnemyType is used in Waves
merging
Merge remote-tracking branch 'origin/master'

Conflicts:
	src/engine/Game.java
merging