Added phpseclib library to allow for AES128/CFB encryption mode - refs BT#7007
Cleaned up WS user authentication basis script - refs BT#7007
Added exception catching in case SOAP client fails - refs BT#7007
Fixed details with WS authent implementation - refs BT#7007
Merge branch '1.9.x' of github.com:chamilo/chamilo-lms into 1.9.x