Finish puppetizing wikibugs bot

When deploying to mchenry, you'll need to update the filter from:
 wikibugs-irc: |/usr/local/bin/wikibugs.pl
to
 wikibugs-irc: |/var/lib/wikibugs/bin/wikibugs

PS4: (dz) - manual rebase / fix path conflict
            switch #mediawiki-feed to #wikimedia-dev

PS5: (dz) - don't use the -infile variable anymore

Change-Id: I1bb72bee199d3bf24750460c298f96392d8a1818