Fixes #17214.  Add check for max==min to dojox Slider, adding AMD syntax to the individual Slider widgets, splitting them out from RangeSlider.js.
Merge branch 'master' of https://github.com/dojo/dojox
Revert "Merge branch 'master' of https://github.com/dojo/dojox"

This reverts commit ef23bd2e50095f0584411a46157ee07819bdb851, reversing
changes made to 425b53326b715d6fb429a7e6022b233e5f30627b.
hide dialog underlay and focus editor before inserting table, fixes #17206
fixes #17212. Make sure to drill up only by one level when drilling up not all the way to the top.
Fixes #17214. Add check for max==min to dojox Slider, adding AMD syntax to the individual Slider widgets, splitting them out from RangeSlider.js.