merge from PE's viewer-release

indra/llcharacter/llmultigesture.cpp

indra/llui/llflatlistview.cpp

indra/llui/llnotifications.cpp

indra/llui/llnotifications.h

indra/newview/llfloatergroups.cpp

indra/newview/llfloatervoicedevicesettings.cpp

indra/newview/llinventorybridge.cpp

indra/newview/llpreviewgesture.cpp

indra/newview/llviewerattachmenu.cpp

indra/newview/llviewerinventory.cpp

indra/newview/llviewermenu.cpp

indra/newview/llviewermessage.cpp

.../newview/skins/default/xui/en/floater_preview_gesture.xml

...newview/skins/default/xui/en/menu_inspect_object_gear.xml

indra/newview/skins/default/xui/en/menu_object.xml

indra/newview/skins/default/xui/en/panel_edit_wearable.xml

.../newview/skins/default/xui/en/panel_preferences_sound.xml

indra/newview/skins/default/xui/en/strings.xml