Item10191: Recoded REST as a proper JQuery plugin, with correctly formatted insertions. Note that the old =location= parameter has been *removed*, as it never worked properly, could cause damage to topics, and could not work with client comments. If you were using it, apologies, but it had to go. Correct use of validation and authentication. Ready for 1.2.0.

git-svn-id: http://svn.foswiki.org/trunk/CommentPlugin@17590 0b4bb1d4-4e5a-0410-9cc4-b2b747904278