Fixed a few ruby19-isms for compatibility with ruby18

config/initializers/session_store.rb

@@ -1,6 +1,6 @@
 # Be sure to restart your server when you modify this file.
 
-Danbooru::Application.config.session_store :cookie_store, key: '_danbooru_session'
+Danbooru::Application.config.session_store :cookie_store, :key => '_danbooru_session'
 
 # Use the database for sessions instead of the cookie-based default,
 # which shouldn't be used to store highly confidential information

config/initializers/wrap_parameters.rb

@@ -4,7 +4,7 @@
 # is enabled by default.
 
 # Enable parameter wrapping for JSON. You can disable this by setting :format to an empty array.
-ActionController::Base.wrap_parameters format: [:json]
+ActionController::Base.wrap_parameters :format => [:json]
 
 # Disable root element in JSON by default.
 if defined?(ActiveRecord)