Added refresh progress bar to header
Merge branch 'development' of github.com:jandlint/gitgong_v2 into development

* 'development' of github.com:jandlint/gitgong_v2:
  change ajax calling to a recursive method and prevent caching
  implement play sound method in application.js
Attempted to add refresh progress bar
Removed incomplete refresh progress bar
...
Merge branch 'development' of github.com:jandlint/gitgong_v2

* 'development' of github.com:jandlint/gitgong_v2:
  Removed incomplete refresh progress bar
  Attempted to add refresh progress bar
  Added refresh progress bar to header