Add the force option for project deletion on Gerrit
Add the force option for project deletion on Gerrit

Add by default force=True to managesf for project
deletion. A project not empty (with open patchsets)
is not removed on Gerrit it the force option is not given
to the API of Gerrit.

Change-Id: Ida2a9aadcf17ed6875505ea1b53fad6632a6bda0

redhat-cip/managesf,enovance/managesf,enovance/managesf,redhat-cip/managesf