disable XML external entities in parsing XMLs of Shindig (OPSA-2013-003) (refs #3384)

Conflicts:
	lib/vendor/Shindig/src/common/XmlError.php
	lib/vendor/Shindig/src/gadgets/GadgetFactory.php
	lib/vendor/Shindig/src/gadgets/GadgetSpecParser.php
	lib/vendor/Shindig/src/gadgets/MakeRequest.php
	lib/vendor/Shindig/src/gadgets/templates/TemplateLibrary.php
	lib/vendor/Shindig/src/gadgets/templates/TemplateParser.php
reverted and fixed improper whitespace chnages (OPSA-2013-003) (refs #3384)
version 0.9.13.1