QmlDesigner.PropertyEditor: fix names of margin properties

Change-Id: I284b1ec1269afa38f62a3f9b2747440ce4eedc36
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@digia.com>
QmlDesigner.PropertyEditor: cleanup of unused code

Change-Id: Ia62b8cc0889ed6ccb83cada5718b75c5205fa2a6
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@digia.com>
QmlDesigner.PropertyEditor: fixing color editing

Change-Id: I3102799952bace9c052f70f52489f5d768621f25
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@digia.com>
QmlDesigner.PropertyEditor: bringing back the templates

Template for auto generates pages now work with in Qt Quick 2.

Change-Id: Idd0a8fe8d82555bc69b192b21df7641dcdb634b4
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@digia.com>