merge changes for 5.0.8-release

.hgtags

doc/contributions.txt

indra/llcharacter/llmotioncontroller.cpp

indra/llcharacter/llmotioncontroller.h

indra/llcommon/llapp.cpp

indra/llcommon/llapp.h

indra/llcommon/llevents.cpp

indra/llcommon/llinitparam.cpp

indra/llcommon/llmetricperformancetester.cpp

indra/llcommon/llmetricperformancetester.h

indra/llcommon/llsys.h

indra/llcorehttp/_httpinternal.h

indra/llcorehttp/_httpoprequest.cpp

indra/llcorehttp/_httpoprequest.h

indra/llcorehttp/_httppolicy.cpp

indra/llcorehttp/httpoptions.cpp

indra/llcorehttp/httpoptions.h

indra/llcrashlogger/llcrashlock.cpp

indra/llcrashlogger/llcrashlogger.cpp

indra/llimage/llimage.cpp