call of overloaded ‘QString(int)’ is ambiguous

Conflicts:
	src/plugins/qmlinspector/qmlinspectorplugin.h

Task-number: BAUHAUS-204
Task-number: BAUHAUS-207
Task-number: BAUHAUS-339
Task-number: BAUHAUS-365
Task-number: BAUHAUS-374
Reviewed-by: kkoehne

Conflicts:
	src/plugins/qmlprojectmanager/qmlproject.cpp
	src/plugins/qmlprojectmanager/qmlproject.h

Both for CppEditor::Internal::SemanticInfo and QmlJSEditor::Internal::
SemanticInfo.

The new QML Inspector depends on DebuggerPlugin. Also added a dropdown menu into
the debugger toolbar from which the user can select the used debugging
language, e.g. C++ or QML.

Putting every class in it's own files + avoid "using namespace"

The idea is that it may be a plugin-provided type. We don't want user
code to be riddled with error markers in that case.

Reviewed-by: Roberto Raggi

 * Fixes RunConfigurations not updating when changing something
   in the BuildConfiguration.

Reviewed-by: dt

 * Do not use the BuildManager but have the qmakestep trigger
   the update via the target and project.

Reviewed-by: dt

Reviewed-by: dt

Before we cached based on the main qml url - This way we skip setting up
the specific widgets each time we change selection

This patch allows setting up property panes before a selection is made

Only update geometry based properties in  transformChanged()