sync with viewer-development (FUI merge)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

...kins/default/xui/en/floater_inventory_item_properties.xml

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

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

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

...a/newview/skins/default/xui/en/floater_media_settings.xml

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