ceph_rest_api.py: fix bad indentation

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
ceph_argparse.py: remove unnecessary semicolons

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
ceph_argparse.py: add missing spaces after comma

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
rados.py: fix bad indentation

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
cephfs.py: remove unused imports

Removed ctypes, c_uint64, c_ubyte, pointer, CFUNCTYPE since they
are not used in the code.

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
pybind/rbd.py: remove unused import of 'pointer'

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
Merge pull request #471 from dalgaaf/wip-da-fix-pylint

Cleanup minor issues from pylint

Reviewed-by: Sage Weil <sage@inktank.com>