Merge branch 'release/0.1.6' into develop
Gem mailgun.
Mailgun config.
Model mailer implementation.
Welcome mail.
Fixture and spec.
Custom registration controller.
User custom registration controller.
Merge branch 'feature/mailgun' into develop
Update gems
Scontrini JS.
Scontrini CSS.
Add localization, date format and auto sum...
sort stuff.
add locales
bump version
Merge branch 'release/0.1.7'