cli: new flags for records create
cli: new flags for records create

* NEW Adds new flag to `inveniomanage record create`, `--force` to
  force saving the record to the database even if the recid is already
  there.

Signed-off-by: Esteban J. G. Gabancho <03cb568148df368b792a31d9c4d06b12dc802700@gmail.com>

tiborsimko/invenio-records,tiborsimko/invenio-records,inveniosoftware/invenio-records,inveniosoftware/invenio-records