Turn author titles into real tooltips on /pivotal
Turn author titles into real tooltips on /pivotal

The Bootstrap-provided tooltips are more usable than the native display
of title attributes, appearing immediately on hover rather than after a
delay. Note that this is still progressive, because the title attribute
is still present.

Change-Id: I8a80db571e766df760dfdbc9393f589667e873ed
Reviewed-on: https://gerrit.causes.com/28321
Reviewed-by: Greg Hurrell <79e2475f81a6317276bf7cbb3958b20d289b78df@causes.com>
Tested-by: Greg Hurrell <79e2475f81a6317276bf7cbb3958b20d289b78df@causes.com>

causes/twigg,causes/twigg