Echo JS 0.11.0

Well limiting to 1 a day does not require a change in the code, only in configuration

https://github.com/antirez/lamernews/blob/master/app_config.rb#L50

I think changing that line to
NewsSubmissionBreak = 3600*24 
would do the trick.

"double karma back on downvotes on articles that are then deleted."
That is an awesome idea. I'll try to find time to mess around with the project and see what I can do.