The console is now a part of qmljstools plugin. The console
appears as an output pane. A dummy QScriptEngine evaluates
expressions when a declarative debug session is not in
progress. During a debug session, the expressions are
evaluated by the debug services.

Task-Number: QTCREATORBUG-7402

Change-Id: Ic2eeac44fb335c706be03b89f8672b0356efe984
Reviewed-by: Christiaan Janssen <christiaan.janssen@digia.com>
Reviewed-by: hjk <qthjk@ovi.com>