merge changes for vwr-25126

doc/contributions.txt

indra/llcharacter/llbvhloader.cpp

indra/llcommon/indra_constants.h

indra/llmath/tests/llbbox_test.cpp

indra/newview/llagent.cpp

indra/newview/llfloaterchat.cpp

indra/newview/llhudeffectlookat.cpp

indra/newview/llhudeffectpointat.cpp

indra/newview/llmaniprotate.cpp

indra/newview/llmanipscale.cpp

indra/newview/llnetmap.cpp

indra/newview/llpanelpeople.cpp

indra/newview/llselectmgr.cpp

indra/newview/llspeakers.cpp

indra/newview/llviewerchat.cpp

indra/newview/llviewermessage.cpp

indra/newview/llviewerparceloverlay.cpp

indra/newview/llvoicevivox.cpp

indra/newview/llworld.cpp