Attempt at blended textures The Right Way (TM)
three.js r64 -> r67
Fix texture blending; added an option to change the skylight color in the demo to illustrate lighting support
Merge branch 'gh-pages'

Conflicts:
	THREE.Terrain.min.js
	THREE.Terrain.min.map
	THREE.Terrain.noise.js
	THREE.Terrain.noise.min.js
	THREE.Terrain.noise.min.map
Merge branch 'blendv2'
Stop JSCS from complaining