Update AUTHORS file.
Update AUTHORS file.

SoylentGraham/libmv,Nazg-Gul/libmv,keir/libmv,Nazg-Gul/libmv,libmv/libmv,keir/libmv,keir/libmv,libmv/libmv,SoylentGraham/libmv,rgkoo/libmv-blender,keir/libmv,libmv/libmv,libmv/libmv,SoylentGraham/libmv,petertsoi/libmv,petertsoi/libmv,Nazg-Gul/libmv,rgkoo/libmv-blender,SoylentGraham/libmv,petertsoi/libmv,rgkoo/libmv-blender,petertsoi/libmv,Nazg-Gul/libmv,Nazg-Gul/libmv,rgkoo/libmv-blender,rgkoo/libmv-blender