Add texture size to texture handle
Replae png specific loadtexture with generic
Change uv mat2 to mat3
Add UI render action
Add new sprite module
Allow textures to be queried for dimensions
Redo sprite module
Add new Font module that works with sprites
We need the Light import to compile
Test system font by displaying frame number
Merge branch 'master' into AddSprites
Add new rendering reader monad for things like UI
Actually make the shader compile
performRenderAction should live in the new context
Push UI away from the camera
Remove redundant import
Add support for mat3 uniforms
texCoordMatrix is a mat3
Remove implicit conversion in simple.vert
Change frame number to framerate