... otherwise we might leak memory

Reviewed-by: Roberto Raggi

Done-with: Erik Verbruggen

By always setting the scope object, even if it is identical to the root
object.

Done-with: Erik Verbruggen

QmlList has been replaced by QmlListProperty (33eb76f050b45718d87926).

Patch provided by Aaron Kennedy.

Reviewed-by: akennedy

 * Fixes update of Qt version name whne renaming a Qt version.

This removes the extra line at the bottom of the window on the mac.
This also decreases the contrast of shadows and highlights a bit.

Reviewed-by: con

 ... and make that available through the targetsettingswidget,
 too.

Reviewed-by: con

 ... based on their display names

Reviewed-by: Daniel Molkentin

 * In the addtargetdialog: Sort targets based on their display
   name when putting them into the combobox.

 * Set the first target to active in the addtargetdialog's
   target selection combobox
 * Disable the combobox if there is only one element in it.

The registration of the qml items have been recently moved from a static
context into QmlGraphicsItemModule::initialization . The Bauhaus Metainfo
initialization now ensures that this method is called first by
instantating a QmlEngine.

It's defined in qtcreator_plugin.pri anyway