Added ability to comment out rows in examples, events and operations tabs

git-svn-id: http://gforge.hl7.org/svn/fhir/trunk/build@3197 2f0db536-2c49-4257-a3fa-e771ed206c19
Enhanced and corrected validation formatting and lookups

git-svn-id: http://gforge.hl7.org/svn/fhir/trunk/build@3198 2f0db536-2c49-4257-a3fa-e771ed206c19