Modified num_bytes attribute in components_count to be a raw integer

Signed-off-by: Babu Shanmugam <anbu@enovance.com>
Removed all regular expression parsing and used '-f json' instead

Signed-off-by: Babu Shanmugam <anbu@enovance.com>
Merge branch 'master' of https://github.com/enovance/ceph-brag into firefly