Implementing a character counter when MaxLength is set (MaterialDesig…

…nInXAML#2242)

* Implementing a character counter when MaxLength is set

This replaces MaterialDesignInXAML#1607

* Fixing broken UI tests

Fixing ColorZone clipping in demo app

Updates to support MahApps 2.0 (MaterialDesignInXAML#1861)

Ensuring floating hint background gets set if there is an outline

Set size of DashedLine explicitly (MaterialDesignInXAML#1772)

* Set size of DashedLine explicit to prevent infinite measuring (MaterialDesignInXAML#1735)

* Added lost disabled controls again (MaterialDesignInXAML#1749)

* Binding Height of DashedLine to Self.StrokeThickness (MaterialDesignInXAML#1735)

* Added BottomThicknessConverter, used for DashedLine to get StrokeThickness (MaterialDesignInXAML#1735)

* Added missing BottomThicknessConverter for TimePicker (MaterialDesignInXAML#1735)

Added in a template binding to the background property in the Materia…

…lDesignDatePicker, this now makes it so when setting Background on a datepicker it will reflect the change. (MaterialDesignInXAML#1721)

Improve demo app screenshots (MaterialDesignInXAML#1585)

* Remove Windows10 titlebar from demo app screenshots

* Add Chips screenshot to README.md file

Renaming file to match class name

Icons update from Azure pipeline (MaterialDesignInXAML#1318)

Merge branch 'master' into release