* Add CheckBox class and Renderer
* Add CheckBoxCell class
* Add Control Gallery for CheckBox and CheckBoxCell.
Add stubs only for Android for now.
* Update to fast renderer for Android, Implement Checked and Unchecked Colors!
* Initial UWP implementation, no colors yet.
* Add iOS implementation for checkbox. It's not pretty, but it is a start!
* Updates from Frank
* Code cleanup with frank
* Finalize iOS checkbox!!! it is a circle!
* Fix WPF build and Add a checkbox!!!
* Cell Renderers and macOS
* UWP switchcell
* Update CheckBox Cell on ios/android with colors
* Remove all instances of CheckBoxCell per demand
* Added UITests and UnitTests
* Changed colors to TintColor which makes sense. Added a IsChecked visual state property and a sample!
* checkbox cleanup, tint color fixes, and material
* uwp fix when changing TintBrush
* add checkbox to visual controls page
* formatting fix
* formatting fix
* formatting fix
* convert to tabs
* formatting
* checkbox tabs
* roll back formatting changes to WPFResources
* android renderer overrides
* uwp fix and sizing fix ios
* mask checkbox
* use a single image for ios inatead of always drawing new ones
* wpf fix
* rename to color and add css interfaces
* missing wpf file
* designer hack
* fix wpf for ios builds
* assembly info
* fix default tint color and infinite crash
* [iOS] fixes change checked state from control
simplification
added to dynamic galery
* [iOS material] fix crash when dispose
* [UWP, WPF] fix vertical alignment
* [Android] fixes does not change size when the reduction HeightRequest
* Update Xamarin.Forms.Material.iOS/MaterialCheckboxRenderer.cs
Co-Authored-By: Samantha Houts <samhouts@users.noreply.github.com>
* [Android] TabStop support
* alphabetize gallery, fix color update when disabled, unsubscribe from event in dispose
* cleanup assembly info
* fix assembly attributes
* remove assembly info
* pr comments
* couple of more dispose fixes
* One Last Dispose
* fix api 19 call to ClipToOutline
Shane Neuville