You will have to manually enter the VPN in in 14.04.
Here's what I did to get it working:
First download and extract your keys and opvn file from airvpn. Remember where these are, probably in downloads.
Now go to network manager in the tray and choose vpn connections -> configure VPN.
A network connections window will open. Click Add, choose Open VPN in the dropdown, click create.
Name your connection whatever you want.
Now open your opvn file in gedit that you downloaded from Airvpn, it will have the gateway address in it and port number.
You will see next to the word remote will be the address that you will copy and paste into the Gateway field within your newly created OpenVPN connection.
Under Authentication, the type is Certificates (TLS).
User Certificate, CA Certificate and private key will be the files you downloaded from Airvpn. Click the folder icon next to the entry field and browse to their download location.
Now click the advanced button.
Under the general tab tick Use custom gateway port and change it to whatever is listed after the remote entry you typed earlier in the gateway field. Its in the opvn file that you opened in gedit. most likey 443
Tick Use LZO compression.
Now click the security tab, choose AES-256-CBC for the cipher.
Now click the TLS Authentication tab, tick Use additional TLS authentication. Under the key file entry browse to the dowloaded ta.key you downloaded from Airvpn.
Change Key direction to 1 and click OK.
Now click save.
Your entry should now be in the Network connections window under the VPN category. Click close.
Now choose the vpn connection in network manager and Voila you should connect.
Hope this helps someone else.