Bump app version

Author: johnwarne

config.php

@@ -11,7 +11,7 @@
 
 
 // Set defaults
-const UPVOTE_RSS_VERSION            = '1.5.1';
+const UPVOTE_RSS_VERSION            = '1.6.0';
 const UPVOTE_RSS_CACHE_ROOT         = __DIR__ . '/cache/';
 const DEFAULT_PLATFORM              = 'lemmy';
 const DEFAULT_HACKER_NEWS_INSTANCE  = 'news.ycombinator.com';