Added Dialogs

issue-1016: Updated hierarchy traversal for TransitionController types to no longer skip over non TansitionController types.

Motion disabled by default for NavigationController to avoid unbalanced calls to view lifecycle when presenting a NavigationController modally.

Update CHANGELOG.md

fixed a type

evice caused a partial correct state.

samples issue-99: Fixed layout issues in CollectionView, where the sizing was not correctlly being initialized.

issue-650: Fixed issue where NavigationBar.backButton would incorrectly be laid out when caching view controllers.

Change TextField's visibility icon behaviour in order to match more Android EditText's one

* add visibility off material icon, toggle animation between visibility on and off icons and ripple, much more similar to Android's original EditText
* remove font change because it would eliminate any custom font when changing visibility the first time