Merge branch 'hotfix/0.19.5'

* hotfix/0.19.5:
  * Fixed db config
* Fixed mongoid-slug dependency
* Removed Rails < 4.1 secret token  configuration
* Improved secrets.yml
Merge branch 'hotfix/0.19.6' into develop

* hotfix/0.19.6:
  * Fixed mongoid-slug dependency * Removed Rails < 4.1 secret token  configuration * Improved secrets.yml