create a mon_status that reports back with boolean flags

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
make sure the wrappers always return the check_call

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
Merge pull request #66 from alfredodeza/6017-1

Create a `mon_status` check