Added support for PNG files.
Added ball class and renders ball.

Also fiddled with formating in black hole
Merge remote-tracking branch 'origin/master'

Conflicts:
	BO360/BO360/BOObjectManager.cpp
Added sphere struct. And fixed placeholderblachole
Libs for the people!
merge conflicts fixes

Conflicts:
	BO360/BO360/BOBlackHole.cpp
	BO360/BO360/BOObject.cpp
Merge branch 'master' of https://github.com/BTHAgileProject2014/BO360
PNG and shit
Merge remote-tracking branch 'origin/master' into KeyMessages