Reduce more getInstance calls along with some small opts

indra/llui/lltoolbar.cpp

indra/llui/llview.cpp

indra/newview/alaoengine.cpp

indra/newview/alaoengine.h

indra/newview/alpanelaomini.cpp

indra/newview/llagentcamera.cpp

indra/newview/llagentui.cpp

indra/newview/llappviewer.cpp

indra/newview/lldrawable.cpp

indra/newview/llglsandbox.cpp

indra/newview/llmaterialmgr.cpp

indra/newview/llnetmap.cpp

indra/newview/llscenemonitor.cpp

indra/newview/llviewerobject.cpp

indra/newview/llviewerregion.cpp

indra/newview/llviewerregion.h

indra/newview/llvosky.cpp

indra/newview/pipeline.cpp