started working on unit production
added build time to InteractiveEntity
Merge branch 'master' of https://github.com/Tadimsky/vooga into worker_production
got building on gui and stopped buildings from moving
Merge branch 'master' of https://github.com/Tadimsky/vooga into worker_production
Painting worker to gui
Merge branch 'master' of https://github.com/Tadimsky/vooga into worker_production

Conflicts:
	src/vooga/rts/gamedesign/sprite/gamesprites/interactive/InteractiveEntity.java
	src/vooga/rts/gamedesign/sprite/gamesprites/interactive/buildings/Barracks.java
	src/vooga/rts/gamedesign/sprite/gamesprites/interactive/buildings/ProductionBuilding.java
	src/vooga/rts/gamedesign/sprite/gamesprites/interactive/units/Soldier.java
	src/vooga/rts/gamedesign/sprite/gamesprites/interactive/units/Unit.java
	src/vooga/rts/gamedesign/sprite/gamesprites/interactive/units/Worker.java
	src/vooga/rts/gamedesign/strategy/production/CannotProduce.java
	src/vooga/rts/gamedesign/strategy/production/IProducer.java
	src/vooga/rts/gamedesign/strategy/production/Producer.java
	src/vooga/rts/state/GameState.java
Merge pull request #28 from Tadimsky/worker_production

Worker production
Merge branch 'master' of https://github.com/Tadimsky/vooga into observer-pattern

Conflicts:
	src/vooga/rts/player/Player.java