Added logging level manipulation mechanism

config/application.rb

@@ -29,7 +29,7 @@ module Snibox
     logger           = ActiveSupport::Logger.new(STDOUT)
     logger.formatter = config.log_formatter
     config.logger    = ActiveSupport::TaggedLogging.new(logger)
-    config.log_level = :debug
+    config.log_level = (ENV['LOGLEVEL'] || "debug").to_sym
     config.log_tags = [ :request_id ]
 
     # Settings in config/environments/* take precedence over those specified here.