Removed test game code.

From now on Quantum Engine will be used as a linked library, not a forked proyect.
Removed test game code.

From now on Quantum Engine will be used as a linked library, not a forked proyect.
Merge branch 'lib' of https://github.com/L4D15/Quantum-Engine into lib
Updated Readme to reflect the new library status.
Updated CMakeLists.txt for proper library creation.
Merge branch 'lib'