Fix a couple bugs
Load jars in lib/ into the classpath
Add InteractEvent, Vector classes and ray tracing
Merge branch 'master' of http://github.com/GraniteTeam/Granite

Conflicts:
	Granite/src/main/java/org/granitemc/granite/entity/GraniteEntityLivingBase.java
	Granite/src/main/java/org/granitemc/granite/world/GraniteWorld.java
	Granite/src/main/resources/mappings.conf
	GraniteAPI/src/main/java/org/granitemc/granite/api/entity/EntityLivingBase.java