Added opvn inline key 

I added ovpn inline keys. This makes it much easier for iOS clients to connect.

![screen shot 2013-11-06 at 5 42 45 pm](https://f.cloud.github.com/assets/30399/1488570/45e564e6-474e-11e3-8300-31408d068bd9.png)


Info about the inline keys can be found here: https://community.openvpn.net/openvpn/wiki/IOSinline