demo left/right MetroAnimatedSingleRowTabControl
Fix bug in MetroAnimatedSingleRowTabControl when tabs not on top
fix vertical AnimatedSingleRowTabControl
Added HeaderFontStretch and HeaderFontWeight
Merge pull request #763 from MahApps/punker76-last-changes-for-tabcontrol-tabitems

fix last issues for tabcontrol/tabitems
Groundline work on the MessageDialog.
Formating changes.
Localizable! YAY!
Oops, wrong button.
Documented ShowMessageAsync.
add gray2 to dark/light theme
some null checks
minor improvement for FlatButton
Merge pull request #766 from MahApps/punker76-flatbutton-dingens

minor improvement for FlatButton
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