added greng::CMeshManager
Merge branch 'master' of http://github.com/edvorg/drash into experimental_renderer
added CVertex
CMesh added
CRenderer added
CColor4 improved
CMeshManager improved
.pro file extended
CRenderer, CMeshManager added to CApp
CRenderBufferExtension added
experimental renderer improved. project structure refactored
CScene move to scene/ directory
added sdl project
first working version of sdl application
setting correct aspect ratio
fixed gcc compilation errors
sdl apllication improved
added wheel events
Merge branch 'experimental_renderer'