Add missing translations.

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

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

indra/newview/skins/default/xui/ja/floater_adjust_water.xml

indra/newview/skins/default/xui/ja/floater_animator.xml

indra/newview/skins/default/xui/ja/floater_build_options.xml

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

indra/newview/skins/default/xui/ja/floater_color_picker.xml

...a/newview/skins/default/xui/ja/floater_edit_day_cycle.xml

.../newview/skins/default/xui/ja/floater_edit_sky_preset.xml

...iew/skins/default/xui/ja/floater_environment_settings.xml

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

...ew/skins/default/xui/ja/floater_inventory_view_finder.xml

indra/newview/skins/default/xui/ja/floater_joystick.xml

...a/newview/skins/default/xui/ja/floater_live_lsleditor.xml

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

.../newview/skins/default/xui/ja/floater_my_environments.xml

indra/newview/skins/default/xui/ja/floater_object_list.xml

...a/newview/skins/default/xui/ja/floater_object_weights.xml

indra/newview/skins/default/xui/ja/floater_openobject.xml

indra/newview/skins/default/xui/ja/floater_poser.xml