Fixes PR #36: Screen reader and VoiceOver on IPHONE will try to read temporary/internal measuring Div tag
Trac ticket: https://bugs.dojotoolkit.org/ticket/17433
Also fixes similar Trac ticket: https://bugs.dojotoolkit.org/ticket/17178
Using jaredj's more complete solution (temp node is cleared at end of function).

(cherry picked from commit 12774a98c709acd65bd85e09d8beb7ea40e04d2d)