Use `get` instead of `match` in routes

match is not supported in Rails 4. This still leaves several failures in
the route_matcher, but these seem to be related to the underlying route
assertion relying on minitest methods. Need to do more research here...

https://github.com/rspec/rspec-rails/issues/635
https://github.com/rspec/rspec-rails/issues/679

spec/shoulda/matchers/action_controller/route_matcher_spec.rb

@@ -6,7 +6,7 @@ describe Shoulda::Matchers::ActionController::RouteMatcher do
       controller = define_controller('Examples').new
 
       define_routes do
-        match 'examples/*id', :to => 'examples#example'
+        get 'examples/*id', :to => 'examples#example'
       end
 
       controller.should route(:get, '/examples/foo/bar').