[backend] fix typo in engine check
[backend] kiwi product: src/debugmedium 0 means disabled
[backend] add constraints to product build jobs as well
[backend] fix engine unresolvable error reporting
[backend] fix copy&paste problem that broke buildinfo
[backend] clean up ugly _obsrepositories code

Also fix a bug if _obsrepositories has a priority.
[backend] create _channel file from .report files when building kiwi products
[api] sync rubygem versions
[webui] Add github's flavoured Markdown to comments through Redcarpet
[webui] Test to ensure that users mentioned in comments become commenters for the future
[webui] fix "rails s" crash with new unicorn 2.0
[api] drop newrelic for license reasons
[backend] escape more chars in provides. rpm can handle : and -, but createrepo can't
[api] Enable commenting projects and packages through API
[dist] add possible required line for apache 2.4
[backend] do not escape product(..) provides
[backend] always fill the remotemap with the entries from the kiwi path
[api] move request state change permission check to model
[api] split up global request permission handling
[backend] add --republish-repository option to obs_admin