Rigged attachment integration WIP.

indra/llrender/llglslshader.cpp

...ewview/app_settings/shaders/class1/deferred/diffuseV.glsl

indra/newview/lldrawpool.cpp

indra/newview/lldrawpool.h

indra/newview/lldrawpoolavatar.cpp

indra/newview/lldrawpoolavatar.h

indra/newview/lldrawpoolbump.cpp

indra/newview/lldrawpoolbump.h

indra/newview/llface.cpp

indra/newview/llface.h

indra/newview/llviewerobject.cpp

indra/newview/llviewerobject.h

indra/newview/llviewershadermgr.cpp

indra/newview/llviewershadermgr.h

indra/newview/llvoavatar.cpp

indra/newview/llvovolume.cpp