Added untested FrameBuffer code (compiles though) + some minor improvements
Fixed some bugs: First working version of FrameBuffers. \o/
Some framebuffer improvements + added clear function to clear buffer
Redesigned Framebuffer, now working again, but still work to do.
Added additional error information.
Removed useless file.
Added DefaultFrameBuffer class
Context::getDefaultFrameBuffer returns the default framebuffer, test.cpp is using that now.
Clearing color now works for default and user FB
Removed old code.
Merge branch 'framebuffer' into dev