exclamation is a lot taller than the baseline in entypo
Merge branch 'v7.1' of git://github.com/phpwax/wildfire.interface into v7.1

# By Charles Marshall
# Via Charles Marshall
* 'v7.1' of git://github.com/phpwax/wildfire.interface:
  trigger events allows the help to trigger events on the page and bind to the event so help code runs after it has finished (i.e. swapping tabs, opening accordions)
  adding in new feature
  trim any extra /
  make the selector weaker so works in help overlay
  remove some of the default tab styling