updated CCT plugin to fetch modules to cct dir next to image.yaml
updated CCT plugin to fetch modules to cct dir next to image.yaml

CCT plugin now fetches all modules to 'cct' directory next to the
image descriptor.
If module already exists its skipped and local copy is preserved.

jboss-container-images/concreate,jboss-container-images/concreate,jboss-dockerfiles/dogen,goldmann/dogen,goldmann/dogen,jboss-dockerfiles/dogen,goldmann/dogen,jboss-dockerfiles/dogen,jboss-container-images/concreate