init_cli_client: optionally take arrayref of sitedirs
init_cli_client: optionally take arrayref of sitedirs

References: https://github.com/smithfarm/dochazka-cli/issues/38
Signed-off-by: Nathan Cutler <f9d8c66a4e898e67db786769b5b347b640e1a9a6@suse.com>

smithfarm/mrest-cli,smithfarm/mrest-cli