Groundline work on the MessageDialog.
Formating changes.
Localizable! YAY!
Oops, wrong button.
Documented ShowMessageAsync.
Focus and tabbing changes.
Thanks to @punker76 , a TextBlock issue was solved.
Fixed some sizing issues.
MinWidth for the dialog buttons is now 80.
@punker76 has done it again! tabbing support
Merge pull request #764 from Amrykid/messagebox

Introduce an API for showing a Metro MessageDialog in a MetroWindow