[BUG #8487] Refactor qx.Mobile Picker
* Added new qx.Mobile Picker control which can be added to containers. It is not longer a child of a qx.Mobile popup.
[BUG #8487] Refactor qx.Mobile Picker
* Updated SCSS files.
Minor improvement
[BUG #8487] Refactor qx.Mobile Picker
* Added new qx.Mobile Picker control which can be added to containers. It is not longer a child of a qx.Mobile popup.
Updated Mobile Showcase to use Picker control widget.
[BUG #8487] Refactor qx.Mobile Picker
* Necessary improvements of waypoint logic for the new picker. Added waypoint detection upon a query selector (by class).
Minor
[BUG #8487] Refactor qx.Mobile Picker
* Added a way to fix list item height, just like in desktop
* Added a default list delegate, which sets the attribute of default list provider: disabled, activatable etc.
Fix api doc
[BUG #8487] Refactor qx.Mobile Picker
* Added possibility for using all query selectors for detectin waypoints.
[BUG #8487] Refactor qx.Mobile Picker
* updating waypoints on Scroll container refresh
[BUG #8487] Refactor qx.Mobile Picker
* updating qx.Mobile List example