replaced a 400 error with 422 (unprocessable entity) on param_rule check failure
refactoring of handling of http errors
changing mongo status to check port access
remove bundler patch preferring rpms over gems

it is not used any more, replaced by bundler_ext
Merge pull request #1511 from witlessbird/param_rules_error

Refactoring of http errors (mostly 400 - InvalidRequest), mostly in param_rules checks.
Add new apipie to comps

Fedora 17 and 18 is behind the new version.
Reduced API documentation for Headpin mode
Merge pull request #1229 from iNecas/apipie-headpin

Reduced API documentation for Headpin mode
Merge branch 'master' of https://github.com/Katello/katello into mongo-fix
one last try at fixing CI build
Merge pull request #1533 from jlsherrill/mongo-fix

Fix for mongo taking a few seconds to start up properly
Merge pull request #1530 from pitr-ch/quick-fix/remove-bundler-patch

remove bundler patch preferring rpms over gems