added a setting option to set the feeds content limit

git-svn-id: http://redmine.rubyforge.org/svn/trunk@346 e93f8b46-1217-0410-a6f0-8f06a7374b81

config/settings.yml

@@ -46,4 +46,7 @@ wiki_compression:
 default_language:
   default: en
 host_name:
-  default: localhost:3000
+  default: localhost:3000
+feeds_limit:
+  format: int
+  default: 15