Construction UI
Merge branch 'master' of https://github.com/LuciusYu/TownSimulator.git

Conflicts:
	TownSimulator/src/com/TownSimulator/entity/building/Building.java
	TownSimulator/src/com/TownSimulator/mantask/Construction.java
	TownSimulator/src/com/TownSimulator/mantask/ConstructionProject.java