Fix naming issue in logging import in core
Add date and time simple types to those that open the DateControl

Avocado supports all three so it is possible we will see any of them and we should use the DateControl for all three of them.
Fix bad use of Number function in the number control
Create a ui reference to replace the help text selector
Fix persistence problems in the number control

Overall, the control was very fragile before and could easily get out of sync if you clicked between controls too fast or if you re-opened the control after browsing to a different control. These issues are now fixed by correctly handling the 3 situations where the bounds might need to be changes: stats reset, onRender(), setValue().