ScriptConsole: Show File and Line Info

Show File and Line Info for items that have the info. Clicking
on the item opens the file and sets the cursor position on
the line. The context menu also provides option to copy contents
and option to clear the view.

Change-Id: I161de392ba35e37d323b049371619b01c617c798
Reviewed-by: Kai Koehne <kai.koehne@nokia.com>

src/plugins/debugger/debuggerengine.h

@@ -286,6 +286,8 @@ public:
 
     virtual void notifyInferiorIll();
 
+    QString toFileInProject(const QUrl &fileUrl);
+
 signals:
     void stateChanged(const Debugger::DebuggerState &state);
     // A new stack frame is on display including locals.