Munin contributed plugins

typofixes - https://github.com/vlajos/misspell_fixer

Suspicious sections:
plugins/mail/postfix_mail_stats recieved.label
plugins/nginx/nginx_vhost_traffic

in ceph-osd-info:

Break up some functions into more manageble steps.
If json from ceph is invalid, handle it correctly (i.e. dont return anything)
Handle larger chunks of data from ceph (100k instead of 10k per osd).

Initial checking of ceph-osd-info. Dumps all ceph values into munin.