added 10 tests, increased coverage, fixed issue with demo controller

Change-Id: I88bb622ec4945b6194f40e8a873117270088597c
Adding support page

  Moved the FAQ part from the about.html to a new support.html template.
  Added support controller.
  Added 3 different ways to get support (from mingle card 824)
  Added docs on support_index controller
  Fixed flake8 errors

Change-Id: Ifc6e87854fd1529e110b1a3d3aea4dc445db0685
Merge "Adding support page"
Merge "added 10 tests, increased coverage, fixed issue with demo controller"