Force a command requery when changing priority command targets.

Whenever a priority command target is (un-)registered, the available command targets change. Because of this, a requery of all commends is triggered.
Allow information bar items to be links.

Information bar items can now be a link. This looks like an URL and allows an action to be associated with an information bar item.
Fixed loading of string array settings.
Improved support for string array settings.
Fixed issues with WinForms designer.