Update HTMLPurifier to v4.7.0

library/HTMLPurifier/ConfigSchema/schema/HTML.SafeObject.txt

@@ -1,13 +0,0 @@
-HTML.SafeObject
-TYPE: bool
-VERSION: 3.1.1
-DEFAULT: false
---DESCRIPTION--
-<p>
-    Whether or not to permit object tags in documents, with a number of extra
-    security features added to prevent script execution. This is similar to
-    what websites like MySpace do to object tags.  You should also enable
-    %Output.FlashCompat in order to generate Internet Explorer
-    compatibility code for your object tags.
-</p>
---# vim: et sw=4 sts=4