add favicon
Merge branch 'wip'

* wip:
  Update production logger configuration
update favicon place
don't use loggly in production if there is no config for it
Merge branch 'wip'

* wip:
  Updating MedTest statistic using rake tasks
  Log in before test
  Remove request spec
  Add support of Statistic reports
Sorting statistic data by key
Sorting values in dictionaries
Add test for validation statistic output
Fix typo
Remove logger
Add ability to sort values in statistic tables