Merge pull request #555 from husteadrobert/run_configure_after_initialize_on_rails

Check to see if being run in Rails application and run in before_initialize

Author: andrehjr

lib/split.rb

@@ -66,4 +66,11 @@ def configure
   end
 end
 
-Split.configure {}
+# Check to see if being run in a Rails application.  If so, wait until before_initialize to run configuration so Gems that create ENV variables have the chance to initialize first.
+if defined?(::Rails)
+  class Railtie < Rails::Railtie
+    config.before_initialize { Split.configure {} }
+  end
+else
+  Split.configure {}
+end