fix IconEdgeMode binding, add IconBitmapScalingMode
fix last commit
fix not hidden flyouts
Merge pull request #1368 from MahApps/1339-punker76-hidden-flyout-bug

fix not hidden flyouts
fix setting the HorizontalContentAlignment for editable combobox
Merge pull request #1369 from MahApps/1367-punker76-HorizontalContentAlignment-ComboBox-bug

fix setting the HorizontalContentAlignment for editable combobox
clear editable combobox too
Merge pull request #1370 from MahApps/1338-punker76-ComboBox-ClearTextButton-bug

fix ComboBox ClearTextButton bug
some TextboxHelper issues fixed

- add example for this issue: TextboxHelper.ClearTextButton does not
work when is applied via Trigger #1283
- remove inheritance to DependencyObject to avoid possible bugs with
attached properties
- change getter for HasText and add a setter
- fire HasText property on controls loaded event
- fix BindingExpression error for PasswordBox
- add example from @thoemmi for:  a search box with a magnifier on its
button, but as soon as text is entered, the button content should change
to an X.
Merge pull request #1371 from MahApps/punker76-fix-some-TextboxHelper-issues

some TextboxHelper issues fixed
forward