Since the property editor is QWidget based it uses our own
DeclarativeWidgetView instead of QDeclarativeView now

Reviewed-by: Kai Koehne

Task-number: BAUHAUS-274

We have to set the proper fileUrl on all models

You cannot animate from visible true to false, but you can animate
from opacity:  0.0 to 1.0 so using opacity would be better.

Task-number: BAUHAUS-672

Task-Number: BAUHAUS-666
Reviewed-by: kkoehne

Don't check for isContainer, which is rather a hint for the visual
editor whether to nest automatically. In the navigator case, the user
explicitly requested a nesting, and we shouldn't prevent him from doing
so.

Task-number: BAUHAUS-650
Reviewed-by: Christiaan Janssen

Because we tested for the parent, the id of a root item never reset.
This was hidden because if you remove a root item all
child items was removed too. But if the object was not deleted by the
root item and there was a binding the root item id, there was a dangling
pointer.

Task-Number: BAUHAUS-662
Reviewed-by: kkoehne

This makes it easier to find problems.

Reviewed-by: kkoehne

Reviewed-by: kkoehne

If there is no target anymore you cannot create a new binding. There is
no need anyway so the binding is reset to zero.

Task-Number: BAUHAUS-642
Reviewed-by: kkoehne

Should work without this, but the performance hit is not so high,
and this is more robust to changes in the qml state code.

Task-Number: BAUHAUS-660
Reviewed-by: kkoehne

Caused by missing brackets.

Of course disabled by default

Store qml versions in the metatype system. Instead of just assuming
e.g. "4, 6" or "4, 7" as default, support passing "-1, -1" as versioning
wildcard.

When inspecting the qml meta type system, versions are now stored also
for types that have no qml name / version. The version of the referenting
type is then taken, e.g. there are now entries for "Qt/Object", 4, 7 and
"Qt/Object", 1, 0 (from QmlProject, 1, 0).

Furthermore, some unused methods were removed, and the logic changed insofar
as that a type can have only one direct super type.

Reviewed-by: Thomas Hartmann
Reviewed-by: Marco Bubke

Replace all non-valid characters in the item library entry name with
underscores. E.g. "subdir/X" will become "subdir_X", which is a valid name.

Reviewed-by: Thomas Hartmann

Reviewed-by: Thomas Hartmann

ItemLibraryInfo has now a signal "entriesChanged()", which the ItemLibrary
connects to. To allow this, ItemLibraryInfo was moved from a stack-based to
a heap-based class.

Reviewed-by: Thomas Hartmann

Remove dependencies to QMetaInfo & unify method names.

Reviewed-by: Thomas Hartmann

The anchors method has been moved to the private class.

This requires commit b4c589868f278aa9a58ab9afa727dbf0a9442e22 in qt.git/4.7 branch.

Reviewed-by: Marco Bubke

Reviewed-by: Thomas Hartmann

Reviewed-by: Thomas Hartmann

The class represents one single entry in the library, therefore
the old name was misleading.

Reviewed-by: Thomas Hartmann

Completely switch to using canonical paths in the subcomponent
manager.

Avoids problems when e.g. running 'make clean' - this one tries
to delete all files named core.

Now you get all the changes of the rewriter.

Reviewed-by: kkoehne

Task-number: BAUHAUS-654

Task-number: BAUHAUS-640

Task-number: BAUHAUS-447
Task-number: BAUHAUS-639

x, y, width, height are removed if filling
x is removed if anchoring the left...
y is removed if anchoring the top...
width is removed if anchoring the right...
height is removed if anchoring the bottom...

The widget behaves nicer now if the mouse leaves the widget

I had to add a 0.5 offset for the arrow