Fix the summary arrow in recent Firefox#227

Merged

gemmaleigh merged 3 commits intomasterfrom firefox-summary-arrow

May 20, 2016

+15

Commits on May 19, 2016

Fix the summary arrow in recent Firefox
Robin Whittleton
committed

Commits on May 20, 2016

Unbreak the summary display in older Firefoxes
Robin Whittleton
committed
Migrate this workaround into a new shame file
Robin Whittleton
committed