capture more data and add summary tooltips
use atom bootstrap tooltips
Merge branch 'master' into feature/add_summary_tooltips

Conflicts:
	lib/views/blame-line-view.coffee
use setTooltip for summary msgs
Actually unmount when toggled

This should help out #21.

React silently accepting a parameter of the wrong type turned out to be a bug:
https://github.com/facebook/react/issues/2079

Test Plan:
Added logging to `componentWillUnmount` and saw it work.
Merge pull request #24 from dmnd/unmount-bug

Actually unmount when toggled.
fix js style for vars; wrt PR#21
Merge branch 'master' into feature/add_summary_tooltips
Merge pull request #21 from KylePDavis/feature/add_summary_tooltips

Add summary tooltips
Merge branch 'master' into instant-display

Conflicts:
	lib/controllers/blameViewController.js
	lib/views/blame-line-view.coffee