Fixed the overflow of the alert message's url when adding an admin user or a team member.

Fixed the overflow of the alert message's url when adding an admin user or a team member. (See the screen shot attached.)
![screen shot 2014-02-12 at 9 44 05](https://f.cloud.github.com/assets/1583973/2144419/246ed3cc-9386-11e3-99d3-e783b5ab0452.png)