Player Armor Synchronization, Equipped-Item Highlight

When equipping armor, the armor's image sets now synchronizes to the
player's image set.
Now, the inventory draws a green border around any item that is
equipped.
Merge branch 'master' of https://github.com/wuisawesome/Banished

Conflicts:
	Banished/src/com/banished/core/entities/Player.java
	Banished/src/com/banished/core/items/Inventory.java