Added a constraint on Redmine >= 1.2.0, since the latest versions of OmniAuth do not support Rack 1.0.1
Added a constraint on Redmine >= 1.2.0, since the latest versions of OmniAuth do not support Rack 1.0.1

jbbarth/redmine_omniauth_cas,jbbarth/redmine_omniauth_cas