Alter setting that tells libxml2 whether to rewrite the XML or not.
Alter setting that tells libxml2 whether to rewrite the XML or not.

Summary: The previous setting was rewriting things like &amp; to just & when we didn't always want that.  Now that setting is turned off.

Test Plan: Tested with AFS.

Reviewers: szielinski

Differential Revision: http://cr.irl.ucf.edu/D163

ucfistirl/atlas,ucfistirl/atlas