Fixes the detection of tribe in pulsectl
Fixes the detection of tribe in pulsectl

Previously if pulsectl was run with only the -h or --help flags we
would not report the tribe commands as being available.  The detection
of tribe was moved to an init function to resolve this issue.

intelsdi-x/snap,lynxbat/foo,sandlbn/snap,lynxbat/foo,mkleina/snap,sandlbn/snap,mkleina/snap,mjbrender/snap,intelsdi-x/snap,mjbrender/snap