feat(dashboard): add provider's tabs

- slit provider between tabs
- remove providerID from backend/frontend title
- add Angular-Boostrap

static/app/sections/sections.module.js

@@ -4,6 +4,7 @@
   angular
     .module('traefik.section', [
       'ui.router',
+      'ui.bootstrap',
       'traefik.section.providers',
       'traefik.section.health'
      ]);