Feature form view (#176)

* Initial documentation for FormView
* FormView Readonly
* FormView pager
* Tests for FormView and support for DataBinder in the FormView
* ModeChanging event to the FormView
* onDataBinding and onDataBound triggers in the FormView
* Added FormView link to the ComponentList on the sample home page
* EditMode for the Form
* FormView ItemUpdating and ItemUpdated events

Co-authored-by: Gareth Leachman <grleachman@users.noreply.github.com>

Author: csharpfritz