merge changes for version 3.3.1

.hgtags

BuildParams

doc/contributions.txt

indra/llaudio/llaudiodecodemgr.cpp

indra/llaudio/llaudioengine.h

indra/llcharacter/llbvhloader.cpp

indra/llcommon/linden_common.h

indra/llcommon/llavatarname.cpp

indra/llcommon/llevents.cpp

indra/llcommon/llmd5.cpp

indra/llcommon/llpreprocessor.h

indra/llcommon/llsdserialize.cpp

indra/llcommon/llsdserialize_xml.cpp

indra/llcommon/llsdutil.h

indra/llcommon/llstat.cpp

indra/llcommon/lltimer.cpp

indra/llcommon/llversionviewer.h

indra/llcrashlogger/llcrashlogger.cpp

indra/llimage/llimagej2c.cpp

indra/llinventory/llinventory.cpp