Avoid printing on stdout with exit()

Author: hluk

src/scriptable/scriptable.cpp

@@ -861,7 +861,7 @@ void Scriptable::exit()
 {
     m_skipArguments = 0;
     QByteArray message = fromString( tr("Terminating server.\n") );
-    print(message);
+    printError(message);
     m_proxy->exit();
 }
 

src/tests/tests_scripts.cpp

@@ -12,7 +12,7 @@
 
 void Tests::commandExit()
 {
-    RUN("exit", "Terminating server.\n");
+    RUN("exit", "");
 
     TEST( m_test->waitForServerToStop() );