Default shader code for ShaderMaterial.
ShaderMaterial: Minor clean up.
Editor: Adding support for ShaderMaterial.
WebGLRenderer: Depolluting material's uniform, fragmenShader and vertexshader.
Editor: Fixed vertexShaderRow/fragmentShaderRow visibility.
Updated builds.
Merge branch 'dev' of https://github.com/mrdoob/three.js into dev