Move end on contributors view

:fork_and_knife: The end for the JOIN_CCLA_ENABLED feature flag was misplaced messing with the HTML markup, this fixes it.

From

![Madness](http://i.cwebber.net/Contributors_on_Behalf_of_Schuberg_Philis_B.V._-_Chef_Supermarket_2014-07-28_08-53-29_2014-07-28_08-53-32.jpg)

To

![Normal](http://f.cl.ly/items/0H3m2P2Y3e2S0j0H0g03/Screen%20Shot%202014-07-28%20at%203.12.55%20PM.png)