ceph-disk: rename local variable shadowing builtin

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
ceph-disk: remove double defined function get_conf

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
ceph-disk: remove twice defined function mount

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
ceph-disk: remove twice defined identical function unmount

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
ceph-disk: rename local variable shadowing builtin

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
Merge pull request #119 from dalgaaf/wip-da-ceph-disk

Cleanup and fixes for wip-ceph-disk