Merge pull request #198 from peterberkenbosch/fix-migration-engine-name

Use proper name for add_migrations

Author: kennyadsl

lib/generators/solidus/auth/install/install_generator.rb

@@ -18,7 +18,7 @@ def generate_devise_key
         end
 
         def add_migrations
-          run 'bundle exec rake railties:install:migrations FROM=solidus_auth_devise'
+          run 'bundle exec rake railties:install:migrations FROM=solidus_auth'
         end
 
         def run_migrations