css/html parsing is buggy

[vohtaski]

parses the commented line

Sep 17, 2013 7:35:32 PM org.apache.shindig.gadgets.render.Renderer render
INFO: The gadget at http://role-project.svn.sourceforge.net/viewvc/role-project/trunk/gadgets/binocs/src/main/webapp/gadget.xml?revision=3294 did not render. The following error occurred: org.apache.shindig.common.xml.XmlException: The element type "link" must be terminated by the matching end-tag "". At: (136,5).

[vohtaski]

in addition we should add an issue in apache shindig project