For the last damn time, add Smog already!
Merge pull request #19 from warlordjones/master

For the last damn time, add Smog already!
Work on integration between power systems.
Deleted TileEntityMod (obsolete)
Implemented proper TileEntityMachine, base tile for all the machines.
Moved Buildcraft API to its proper location.
Added EnergyUtils class that contains utilities for interacting with
energy.