Fixed some details with the GL Context creation.
Added cVertexBuffer::Clear method.
Added Stencil Func/Op/Mask and ColorMask functions to the GL wrapper.
Changed Video Resize Callback to pass the window as parameter.
Some minor changes in the BatchRenderer.
Added GetPrevState to cUISkinState.
Hided fonts constructors ( to avoid problems in the font manager if this are instanciated inside a function ).
Fixed the BLENDONE BlendMode.
Working in adding Polygons to the Map and Map Editor ( in very early stage ).
Moved some public constructors in classes that are managed by a Resource Manager, because, they need an instance created with new.
Removed DrawEx2 from cTexture.
Move all the collision code to the respective templates, instead of containing all in the math.hpp file.
Removed unnecesary dependency of EE::System on EE::Math, not really needed.
Added Clear() method to cWindow, to allow the user to control WHEN clear the buffers.
Added some operators to eeColorA.
Fixed BlendMode for FBO's.
Hided cTexture constructors, the only class that it's allowed to create textures is cTextureFactory.
Added support to switcheable backends without recompiling.
Added some helpers to load WindowSettings and ContextSettings from an ini file.
Moved default Demo to a Demo namespace.
Optimized cGameObjectsShapeEx lights.
Changed some functions names to CamelCase.
cIniFile avoids to re-read files.
Windows 8 and Windows Server 2012 now are correctly detected.
