Update SSL protocol for Deluge connections

Since Deluge 1.3.10 the SSL protocol is updated to TLSv1 instead of SSLv3. This resulted in CP not being able to add new torrents. Link to change in Deluge: http://git.deluge-torrent.org/deluge/commit/?h=1.3-stable&id=26f5be17609a8312c4ba06aa120ed208cd7876f2
Merge pull request #4188 from DjSlash/patch-2

Update SSL protocol for Deluge connections