QmlDesigner.ImportManager: Adding all QtQuick imports as used

Change-Id: I0b3cb3c37065cc78efbdc1a4af0f762afc8097c4
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@digia.com>
QmlDesigner.ImportManager: Adding tooltip to ComboBox

Change-Id: I5c631b8b8199d9a0713b82ec40c97e498dd06d1e
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@digia.com>
QmlDesigner.ImportManager: adding tooltip to ImportLabel remove button

Change-Id: I5b057b393531e80f7be0f86676c98b396532d8aa
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@digia.com>
QmlDesigner.PropertyEditor: Adding proper FontComboBox

Change-Id: I6199e6454f02442ab3cd8962a262ae3a4f0e3b48
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@digia.com>
QmlDesigner.PropertyEditor: code style fix

Change-Id: Idadf59d90d64abf908fc7cfa58fc217f6c335c6f
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@digia.com>
QmlDesigner.ImportManager: Adding setReadOnly to ImportLabel

Using disabled did not give any visible feedback.

Change-Id: I67bb9cd83c7d36c5899e40a91e9a6a34cb882ec4
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@digia.com>