- Removes a SuppressWarnings because its warning can be resolved gracefully.

- Fixes a few javadocs.

src/net/java/sip/communicator/impl/protocol/jabber/OperationSetBasicTelephonyJabberImpl.java

@@ -278,7 +278,7 @@ private CallJabberImpl createOutgoingCall(String calleeAddress)
      *
      * @return an iterator over all currently active calls.
      */
-    public Iterator getActiveCalls()
+    public Iterator<CallJabberImpl> getActiveCalls()
     {
         return activeCallsRepository.getActiveCalls();
     }