Renamed text vertices and uvs
Initialized 2d text printing
Add vertices filling for a 2d rectangle
Augment font size
Fix texture debug since alpha blending has been activated
Unbind shadow program after depth rendering
Added sampler location for text + push half height / width
Remove useless framebuffer unbind
Removed text writing in debug drawer, use blText instead
Initialized text 2d and 3d for debugging
Added blDebug and 3d text printing