Implemented KTX texture file support
Implemented workflow for compressing TGA textures referenced by FBX files to KTX with DXT1 and DXT5 format.
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extra : source : 7283e7f81861682f54cda3ef6c9b0fbc9273f675
Nodes in the FBX file starting with so_ will no longer be decorated with fbx_##_ prefixes.
Updated import pipeline for compatibility with C++11
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extra : source : 39b8803b34f432b24279d4c6ca4c05f4f505174b