Add option to newsfeed for logging errors

- 'logFeedWarnings' added to newsfeed config, defaulted to false
- Only log parse feed errors when logFeedWarnings is true
- Updated README and CHANGELOG
- Fixes #1329

modules/default/newsfeed/fetcher.js

@@ -14,9 +14,10 @@ var iconv = require("iconv-lite");
  *
  * attribute url string - URL of the news feed.
  * attribute reloadInterval number - Reload interval in milliseconds.
+ * attribute logFeedWarnings boolean - Log warnings when there is an error parsing a news article.
  */
 
-var Fetcher = function(url, reloadInterval, encoding) {
+var Fetcher = function(url, reloadInterval, encoding, logFeedWarnings) {
 	var self = this;
 	if (reloadInterval < 1000) {
 		reloadInterval = 1000;
@@ -60,7 +61,7 @@ var Fetcher = function(url, reloadInterval, encoding) {
 					url: url,
 				});
 
-			} else {
+			} else if (logFeedWarnings) {
 				console.log("Can't parse feed item:");
 				console.log(item);
 				console.log("Title: " + title);