Integrate reflection/refraction shader with phong lighting

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NOTE: 
Issue #60 http://code.google.com/p/jmonkeyengine/issues/detail?id=60
Must be resolved before this issue. 

The refraction/reflection shader (cube_texture) provides a representation
of lighting, as well as the phong lighting shader (phong_lighting). Both of
these should be merged into a single unified shader where the functionality
of the diffuse or specular component can be configured to either use a
environment map or the local light configuration. 

Original issue reported on code.google.com by ShadowIs...@gmail.com on 24 Jun 2009 at 11:39

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Original comment by ShadowIs...@gmail.com on 18 Jul 2009 at 4:03

• Added labels: Component-Data

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Original comment by e.so...@gmail.com on 25 Mar 2010 at 8:39

• Added labels: Product-jME3

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Original comment by e.so...@gmail.com on 25 Mar 2010 at 8:48

• Added labels: Milestone-3.0-Alpha

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Thanks to Remy for pushing this one out

Original comment by ShadowIs...@gmail.com on 19 Mar 2011 at 5:09

• Changed state: Fixed