Indicate when the current user is a CCLA admin

:fork_and_knife:

Fixes a bug where users who are CCLA admins would not see themselves as admins in the panel to manage CCLA signatories. Here I am, signed in, and marked as an admin:

![](https://cloud.githubusercontent.com/assets/35545/2895625/2ba6f156-d562-11e3-8724-efd94c74966d.png)