Removed CollectionsHelper (that method was useless...)
Better logger (apache log4j)
Energy incoming! :)

The methods in the API section are heavily inspired by the ones of Thermal Expansion 3, allowing for easier implementation (familiarity)
Default implementation of IEnergyInternalHandler
Added an example CWEnergy powered tile
Added pos() and world() getters to TileEntityBase
Formatting!
Added FML API annotation to the api package
Modified the buildscript and .gitingore