title: Bootstrap 3 jquery event for active tab change
body: <p>I spent an unrealistic amount of time trying to fire a function when the tab changes of the bootstrap 3 tab/navbar and literally <em>all</em> suggestions google spat out were wrong/did not work.</p>
  
  <p>How to go about this?</p>
  
  <p>Meta-edit: see comment</p>