Zener initial commit
Adding a readme.
Logging system and slick audio combination
readme changed
adjust zener package structure
Incomplete - task : Event Script System
Comment for animation package and some structure changes
Layered RenderEffect
Get rid of gamestateManager.
Because it is not a good style in ECS
Wiki and Progressbar for nifty 1.4
Add Normal Mapping Feature
Seperate MTL File Reader from obj file reader
Add Replace Material and Shader GLSL Analysis, and improve Render System
Update Merge Readme