Ensure log level is the default :info for staging and production

The default was being ignored in our new logging configuration, and the actual log output was way too high. This was causing serious disk space issues.

config/environments/production.rb

@@ -38,6 +38,7 @@ Openfoodnetwork::Application.configure do
 
   # Configure logging for Rails 3.2:
   config.logger = ActiveSupport::TaggedLogging.new(Logger.new(Rails.root.join("log", "#{Rails.env}.log")))
+  config.logger.level = Logger::INFO
   config.logger.formatter = Logger::Formatter.new
   config.logger.datetime_format = "%Y-%m-%d %H:%M:%S"
   # Once we get to Rails 4.0, we can replace the above with:

config/environments/staging.rb

@@ -38,6 +38,7 @@ Openfoodnetwork::Application.configure do
 
   # Configure logging for Rails 3.2:
   config.logger = ActiveSupport::TaggedLogging.new(Logger.new(Rails.root.join("log", "#{Rails.env}.log")))
+  config.logger.level = Logger::INFO
   config.logger.formatter = Logger::Formatter.new
   config.logger.datetime_format = "%Y-%m-%d %H:%M:%S"
   # Once we get to Rails 4.0, we can replace the above with: