fixed a bug where duplicate textures may have been added to the root assembly
refactoring

updated entityDefs and added support for new file format

added translation of 'grey' colors into simple numerical values to reduce the number of color entities in the scene
fixed ancient copy and paste error
fixed bug with edf export
added support for maya area lights
added new physical environment node
added menu items to massed menu for physical environment node
added physical environment to render settings ui
fixed default horizon shift value
implemented physical sun translation
updated entity defs to latest version
fixed copy and paste error
Removed debug output
replaced '_geometry' with instance of GEO_DIR
improved auto translation of phone materials, 'reflectivity' is now translated as the mix parameter between a phong micro facet brdf and lambertian
fixed typos
removed redundant parenthesis
fixed typo
formatting changes
tweaked phong autotranslation