fixed hero blinking; extended melee range
successfully merged chain physics with master
fixed chain loading crash with a cooldown
removed some unneccessary System calls
Merge pull request #25 from jshiraef/master

implemented Rigidbody chain attachment
Merge branch 'master' of https://github.com/computc/adventure into refactor/code-for-sprint-2

Conflicts:
	Adventure/bin/computc/entities/Entity.class
	Adventure/bin/computc/entities/Hero.class
	Adventure/bin/computc/states/MainGameState.class
	Adventure/bin/computc/worlds/Dungeon.class
	Adventure/src/computc/entities/Hero.java
	Adventure/src/computc/states/MainGameState.java
	Adventure/src/computc/worlds/Dungeon.java
Added an image for links for Joey.