Extracted texture baking system into llappearance library.

indra/llappearance/CMakeLists.txt

indra/llappearance/llavatarappearance.cpp

indra/llappearance/llavatarappearance.h

indra/llappearance/llinventoryicon.cpp

indra/llappearance/llinventoryicon.h

indra/llappearance/lljointpickname.h

indra/llappearance/lllocaltextureobject.cpp

indra/llappearance/lllocaltextureobject.h

indra/llappearance/lltexglobalcolor.cpp

indra/llappearance/lltexglobalcolor.h

indra/llappearance/lltexlayer.cpp

indra/llappearance/lltexlayer.h

indra/llappearance/lltexlayerparams.cpp

indra/llappearance/lltexlayerparams.h

indra/llappearance/lltexturemanagerbridge.cpp

indra/llappearance/lltexturemanagerbridge.h

indra/llappearance/llviewervisualparam.cpp

indra/llappearance/llviewervisualparam.h

indra/llappearance/llvoavatardefines.cpp

indra/llappearance/llvoavatardefines.h