Merge pull request #16 from Supro/task/omniauth_collback_controller_tests

Task/omniauth collback controller tests
Merge branch 'development' of github.com:Supro/igndb into development
Merge branch 'development' of github.com:Supro/igndb into development
create observer, mailer and tests
Merge pull request #24 from Supro/task/create_adserver_in_a_parse_error

Task/create adserver in a parse error