merge from viewer-public

indra/llcommon/llworkerthread.cpp

indra/llmessage/llhttpclient.cpp

indra/llui/llfiltereditor.cpp

indra/llui/llflatlistview.cpp

indra/llui/llflatlistview.h

indra/newview/app_settings/settings.xml

indra/newview/llagentwearables.cpp

indra/newview/llagentwearables.h

indra/newview/llfloaterurlentry.cpp

indra/newview/llfolderview.h

indra/newview/llinventorybridge.cpp

indra/newview/llinventorybridge.h

indra/newview/llinventorymodelbackgroundfetch.cpp

indra/newview/llinventorymodelbackgroundfetch.h

indra/newview/llinventorypanel.cpp

indra/newview/llpanelmaininventory.cpp

indra/newview/llpaneloutfitsinventory.cpp

indra/newview/llpaneloutfitsinventory.h

indra/newview/llparticipantlist.cpp

indra/newview/llsidepanelappearance.cpp