Finished (for now) side-panel cleanup.

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

...ewview/skins/default/xui/en/panel_group_info_sidetray.xml

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

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

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

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

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

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

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

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

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

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

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

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