added more functions and we will start from scratch
minor changes
corrected typo (WIDHT per WIDTH) and added some skel to initVBO funcion at cScene)
make all the needed data structures for have easy access to all the indices of the vector
Merge branch 'master' of https://github.com/uriviba/opticraft into VBO

Conflicts:
	Block.cpp
	Block.h
	cScene.cpp