Add HuBoard badge to README.
Merge pull request #2095 from patcon/add-huboard-badge

Add HuBoard badge to README
Add travis badge.
Fix a broken test

It broke in #2006, not sure how we missed it. Turns out we did have a
test for the logging rule after all. :-)
Merge pull request #2100 from patcon/add-travis-badge

Add travis badge
Use -> instead of ->> where we can; #2101

Still squirrelly, but a little less so ...
Merge pull request #2101 from gittip/fix-broken-test

Fix a broken test