More SSE opts from coyotl

indra/llmath/llmatrix4a.h

indra/llmath/llquaternion2.h

indra/llmath/llquaternion2.inl

indra/llmath/llvector4a.h

indra/llmath/llvector4a.inl

indra/llmath/llvolume.cpp

indra/llmath/llvolume.h

indra/newview/llface.cpp

indra/newview/llface.h

indra/newview/llflexibleobject.cpp

indra/newview/llselectmgr.cpp

indra/newview/llspatialpartition.cpp

indra/newview/llviewercamera.cpp

indra/newview/llvovolume.cpp

indra/newview/llvovolume.h