[UP-4344] Add info icons that can be used to help distinguish between na...

...me and title.

This commit add a info icon next to the labels.  Clicking on the icon brings up a tooltip that gives more information on that field.

https://issues.jasig.org/browse/UP-4344

Screen shot:
![admin-tooltips](https://cloud.githubusercontent.com/assets/7871998/5460096/329b05ea-851d-11e4-9926-1659263a751d.png)

Maybe clarify where this is likely to display?  (Customize drawer entry, Marketplace entry?)