Draw prims using triangle strips instead of triangle lists.

indra/llmath/llvolume.cpp

indra/llmath/llvolume.h

indra/newview/app_settings/settings.xml

indra/newview/lldrawpool.cpp

indra/newview/lldrawpoolalpha.cpp

indra/newview/lldrawpoolbump.cpp

indra/newview/lldrawpooltree.cpp

indra/newview/llface.cpp

indra/newview/llspatialpartition.cpp

indra/newview/llspatialpartition.h

indra/newview/llviewercontrol.cpp

indra/newview/llviewerjointmesh.cpp

indra/newview/llvotree.cpp

indra/newview/llvovolume.cpp

indra/newview/llvowlsky.cpp

indra/newview/pipeline.cpp

indra/newview/pipeline.h