Merge remote-tracking branch 'upstream/develop' into develop
CCEffectLighting - Fix exception when specular exponent == 0.0
CCLightNode - Add separate specular color and intensity properties
CCEffectLighting - Add support for CCLightNode's specular attributes
CCEffectsTest - Add subtest of varying specular color and intensity
Merge remote-tracking branch 'upstream/develop' into develop
CCEffectLighting - Specular GLSL compilation fix
Merge pull request #1039 from thayerandrews/develop

CCEffectLighting - Various fixes