gk-deploy: only exit on failure, don't abort
gk-deploy: only exit on failure, don't abort

This allows users to examine failed resources and potentially fix them of the
configuration that led to their failure. Also enables idempotency.

Signed-off-by: Jose A. Rivera <2a0958b6fecb909a38a254361e8d9708c4487d67@redhat.com>

gluster/gluster-kubernetes,gluster/gluster-kubernetes