dojox.lang.oo: rearranging mixin() and _mixin() to make the latter more lightweight, !strict.
dojox.lang.oo: rearranging mixin() and _mixin() to make the latter more lightweight, !strict.

git-svn-id: ee6e786acc44c9cca5ee17c71a5576c45c210361@15895 560b804f-0ae3-0310-86f3-f6aa0a117693

redaktor/deliteful