Fix mappings of new JSON format vertex attributes to what the phong shader expects.
Fix mappings of new JSON format vertex attributes to what the phong shader expects.

--HG--
branch : feature/json-loader

shinate/engine,SuperStarPL/engine,3DGEOM/engine,horryq/engine-1,H1Gdev/engine,RainsSoft/engine,horryq/engine-1,RainsSoft/engine,3DGEOM/engine,sanyaade-teachings/engine,SuperStarPL/engine,guycalledfrank/engine,maxwellalive/engine,SuperStarPL/engine,horryq/engine-1,shinate/engine,maxwellalive/engine,sereepap2029/playcanvas,MicroWorldwide/PlayCanvas,H1Gdev/engine,MicroWorldwide/PlayCanvas,sanyaade-teachings/engine,playcanvas/engine,shinate/engine,3DGEOM/engine,maxwellalive/engine,sereepap2029/playcanvas,sereepap2029/playcanvas,nizihabi/engine,nizihabi/engine,guycalledfrank/engine,playcanvas/engine,aidinabedi/playcanvas-engine,RainsSoft/engine,sanyaade-teachings/engine,nizihabi/engine,aidinabedi/playcanvas-engine