Upgrade to Rails 4.2.3

[nicholasjhenry]

Also required the following updates:

• update to route_translator for changes in the routing API

.rvm/gems/ruby-2.2.2@railsbridge/gems/actionpack-4.2.3/lib/action_dispatch/routing/mapper.rb:81:in initialize': wrong number of arguments (4 for 6) (ArgumentErro r) from .rvm/gems/ruby-2.2.2@railsbridge/gems/route_translator-3.2.4/lib/route_translator/extensions/mapper.rb:28:innew' from .rvm/gems/ruby-2.2.2@railsbridge/gems/route_translator-3.2.4/lib/route_translator/extensions/mapper.rb:28:in add_route' from .rvm/gems/ruby-2.2.2@railsbridge/gems/actionpack-4.2.3/lib/action_dispatch/routing/mapper.rb:1536:indecomposed_match'

• respond_to extracted to the responders gem:

.rvm/gems/ruby-2.2.2@railsbridge/gems/actionpack-4.2.3/lib/action_controller/metal/mime_responds.rb:9:in respond_to': The controller-levelrespond_to' feature h as been extracted to the responders gem. Add it to your Gemfile to continue using this feature: (NoMethodError) gem 'responders', '~> 2.0'

• remove deprecation warnings regarding mailers#deliver -> mailers#deliver_now:

DEPRECATION WARNING: #deliver is deprecated and will be removed in Rails 5. Use #deliver_now to deliver immediately or #deliver_later to deliver through Active Job. (calle$ from register at railsbridge/website-src/app/services/register.rb:7)

• upgrade rspec-rails/rspec to remove following deprecation notice:

..DEPRECATION WARNING: named_routes.helpers is deprecated, please use route_defined?(route_name) to see if a named route was defined. (called from block (4 levels) in <top (r equired)> at railsbridge/website-src/spec/controllers/checks_controller_spec.rb:54)