QmlDesigner: Add qdebugs for commands

Change-Id: I60bdd5b36749be5092d4dabe486b101d62b3df06
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@digia.com>

share/qtcreator/qml/qmlpuppet/commands/synchronizecommand.cpp

@@ -29,6 +29,8 @@
 
 #include "synchronizecommand.h"
 
+#include <QDebug>
+
 namespace QmlDesigner {
 
 SynchronizeCommand::SynchronizeCommand()
@@ -66,4 +68,9 @@ bool operator ==(const SynchronizeCommand &first, const SynchronizeCommand &seco
     return first.m_synchronizeId == second.m_synchronizeId;
 }
 
+QDebug operator <<(QDebug debug, const SynchronizeCommand &command)
+{
+    return debug.nospace() << "SynchronizeCommand(synchronizeId: " << command.synchronizeId() << ")";
+}
+
 } // namespace QmlDesigner