[enh] Message: display inbox/outbox using tabs

scss/ionic.app.scss

www/css/ionic.app.min.css

www/plugins/es/js/controllers/message-controllers.js

www/plugins/es/js/services/settings-services.js

www/plugins/es/templates/message/list.html

www/plugins/es/templates/message/lookup.html

www/plugins/es/templates/message/lookup_lg.html

www/plugins/es/templates/message/popover_message.html

www/plugins/es/templates/message/tabs/tab_list.html

www/plugins/es/templates/message/view_message.html

www/plugins/es/templates/message/view_popover_actions.html