Fixed nav-menu config to make it more dynamic, added manager view

- Added manager view, initial verson of #29
- Updated travis to use npm 5.3.x
- Updated material deps
- Added route resolvers to properly configure nav-menu list
- Added service worker update service
- Fixed theme to keep up with latest material theme updates

.travis.yml

@@ -8,7 +8,7 @@ branches:
   - master
   - dev
 before_install:
-- npm i -g npm@^5.0.1
+- npm i -g npm@~5.3.0
 - npm install -g @angular/cli
 install:
 - npm install