The library qmleditorwidgets contains widgets and image resources
what are shared between QuickToolBar and QmlDesigner
This library is created to make QuickToolBar independent from
QmlDesigner plugin.

All the widgets I moved to qmleditorwidgets are removed from
QmlDesigner in this patch

Reviewed-by: Alessandro Portale

QMLObserver links against the library dynamically. User's apps can also
link to it statically, so that the app can be deployed with debugging
features to a device, without having to worry about library deployment.

To be able to share TrkDevices between Debugger and Qt4ProjectManager.

includes complete refactoring of ConsoleProcess.