cli: convert apps commands to external helpers

Author: mfojtik

hack/import-restrictions.json

@@ -468,9 +468,9 @@
       "github.com/openshift/origin/pkg/apps/apis/apps",
       "github.com/openshift/origin/pkg/apps/apis/apps/install",
       "github.com/openshift/origin/pkg/apps/apis/apps/internaltest",
+      "github.com/openshift/origin/pkg/apps/util/test",
       "github.com/openshift/origin/pkg/apps/client/internalversion",
       "github.com/openshift/origin/pkg/apps/client/v1",
-      "github.com/openshift/origin/pkg/apps/controller/util",
       "github.com/openshift/origin/pkg/apps/util",
       "github.com/openshift/origin/pkg/authorization/apis/authorization",
       "github.com/openshift/origin/pkg/authorization/apis/authorization/install",