added first name to navbar
added logout functionality and fixed error if user not logged in but goes to employees page
added management link for managers only
copied employee page to management page and changed routes
Merge branch 'namesintitle'

* namesintitle:
  copied employee page to management page and changed routes
  added management link for managers only
  added logout functionality and fixed error if user not logged in but goes to employees page
  added first name to navbar