change way that session timeout works, default to 1 hour timeout. Add some text to the main site to describe what's going on. Take min of MaxBones, such that the max we will hardware accelerate is 30
more aggressive optimize of materials, only recreate when absolutly necessary
ref count textures
Use blue datatexture when loading to avoid webglerrors
Minor cleanup
Merge remote-tracking branch 'origin/development' into mix-shader