Improve notice link text accessibility

Links in notices were unreadable, one was even invisible.

Before: 
![screen shot 2014-05-05 at 2 14 22 pm](https://cloud.githubusercontent.com/assets/498678/2882066/37aaafe8-d48a-11e3-87fa-1a830d41d0e3.png)

After:
![screen shot 2014-05-05 at 2 11 17 pm](https://cloud.githubusercontent.com/assets/498678/2882069/3ecc7e28-d48a-11e3-97d3-502c481415be.png)

I thought about making the links a different color than the text, however I was not able to find a good color.  I think the dotted underline is good enough.  Thoughts?