OPNSense/core 70f5acasrc/etc/inc services.inc, src/opnsense/mvc/app/views/layouts default.volt

ui: service control indicators and button rework; closes #1562

While here, use fontawesome icons and make the legacy and MVC
header section match in layout terms.
DeltaFile
+33-40src/opnsense/mvc/app/views/layouts/default.volt
+24-25src/www/fbegin.inc
+15-16src/etc/inc/services.inc
+20-0src/opnsense/www/themes/opnsense/assets/stylesheets/main.scss
+14-0src/opnsense/www/themes/opnsense/build/css/main.css
+6-4src/opnsense/www/js/opnsense_ui.js
+3-3src/www/status_openvpn.php
+3-2src/www/widgets/widgets/services_status.widget.php
+2-2src/www/status_services.php
+120-929 files

UnifiedSplitRaw