Backed out changeset bab1000e1b2d: restore 'selfless' changes

indra/llcommon/llcoros.cpp

indra/llcommon/llcoros.h

indra/llcommon/lleventcoro.cpp

indra/llcommon/lleventcoro.h

indra/llcommon/tests/lleventcoro_test.cpp

indra/llmessage/CMakeLists.txt

indra/llmessage/llavatarnamecache.cpp

indra/llmessage/llcorehttputil.cpp

indra/llmessage/llcorehttputil.h

indra/newview/llaccountingcostmanager.cpp

indra/newview/llaccountingcostmanager.h

indra/newview/llavatarrenderinfoaccountant.cpp

indra/newview/llavatarrenderinfoaccountant.h

indra/newview/llcoproceduremanager.cpp

indra/newview/llcoproceduremanager.h

indra/newview/llestateinfomodel.cpp

indra/newview/llestateinfomodel.h

indra/newview/lleventpoll.cpp

indra/newview/llfacebookconnect.cpp

indra/newview/llfacebookconnect.h