spec: deployables: add count invariant to 'new' actions
spec: deployables: redirect if :cancel is params
spec: deployables: new deployable with more catalogs
spec: deployables: create deployable with no catalog
spec: deployables: flash error on invalid xml url
fix polymorphic_path usage in DeployablesController#create
Merge pull request #357 from hacxman/deployables_creater_cover_tests

Deployables create improve test coverage