telegraph generates invalid OpenTSDB inserts

[Licenser]

put telegraf.test.disk_inodes_free 1461673240 736630875 fstype=hfs host=Schroedinger path=/Volumes/Time Machine Backups

The space in 'path' violate the specification of OpenTSDB's wire protocol[1]:

I'm not 100% sure what the best way to address this would be, but if nothing else goes perhaps just dropping those might work?

[1] http://opentsdb.net/docs/build/html/user_guide/writing.html

[sparrc]

I think we could just replace spaces in all tag and field values

[Licenser]

yap I think it's simply the case of coming up with a convention that is applied