Track additional events

The goal is to eventually add tracking for the following actions:

* Click the "help" button at the top of the page
* Hover over the "more info" icons

This is an early review so that I can get early directional feedback before investing too heavily in a particular approach.
Maybe `listenToTooltipEvents` or something like that would be a bit more specific or perhaps you could pass in an array with just one element (`shown.bs.tooltip`) to iterate over--could be overkill though.