Displaying plussers on a separate page.

@oalders : I have made these updates to the existing plussers display so far. Please review the branch and let me know about the subsequent changes.
This page seems to look funky on big lists. Try testing http://0.0.0.0:5001/release/perl/plussers

![screenshot 2014-06-13 23 03 54](https://cloud.githubusercontent.com/assets/96205/3277394/92b04ba0-f370-11e3-81fd-ccd704c5dbab.png)

Also, I think the PAUSE id should go below the gravatar rather than beside it.