Merge pull request #15301 from shashalu/rgw-ssl

rgw: add "rgw_verify_ssl" config

Reviewed-by: Casey Bodley <cbodley@redhat.com>

diff --cc doc/radosgw/config-ref.rst
Simple merge

diff --cc src/common/config_opts.h
Simple merge

diff --cc src/rgw/rgw_http_client.cc
Simple merge

diff --cc src/rgw/rgw_http_client.h
Simple merge