emit end on error, because it seems like csv parser doesn't go further when an error occurs

Author: pnedelko

lib/read.js

@@ -50,6 +50,7 @@ function processRead(msg, cfg) {
     parser.on('error', function emitError(error) {
         debug('Error reported by CSV read', error);
         that.emit('error', error);
+        that.emit('end');
     });
 
     debug('Sending GET request to url=%s', csvURL);