more error msgs when invalid JSON
more error msgs when invalid JSON

Change-Id: Ie36f1bae0c2dc41ea694b2118adc6cc7cd39b97a
Reviewed-on: http://review.northscale.com/2675
Tested-by: Matt Ingenthron <1fa2ef4755a9226cb9a0a4840bd89b158ac71391@northscale.com>
Reviewed-by: Matt Ingenthron <1fa2ef4755a9226cb9a0a4840bd89b158ac71391@northscale.com>

membase/moxi,zbase/moxi,zbase/moxi,membase/moxi,couchbase/moxi,couchbase/moxi,zbase/moxi,zbase/moxi,membase/moxi,membase/moxi,couchbase/moxi,couchbase/moxi,zbase/moxi,couchbase/moxi,couchbase/moxi,membase/moxi,membase/moxi