Implemented Feature #1238 add gaussian blur to VSM
Fixed Bug #1314 missing blur related classes
Fixed coding style
Small fix in blur pass and moved packages for BlurEffect
Added speed parameter to ArcBallController
use 0 as default value when viewportWidth/viewportHeight is not defined in the scene bindings
throw error in fromVector() when the size of the data and the vertex format do not match
fix typo in error message
add lines rendering feature
move shaders that have no specific material into aerys.minko.render.shader