Made the project more Groovy, part 2.
Merge branch 'develop' of
https://github.com/txiasummer/spring-tutorial.git into develop

Conflicts:
	src/main/java/txia/springtutorial/config/CoreConfig.groovy
	src/main/java/txia/springtutorial/config/PersistenceConfig.groovy
	src/main/java/txia/springtutorial/config/SecurityConfig.groovy
	src/main/java/txia/springtutorial/config/WebConfig.groovy
	src/main/java/txia/springtutorial/core/domain/Customer.groovy
	src/main/java/txia/springtutorial/core/domain/Ingredient.groovy
	src/main/java/txia/springtutorial/core/domain/MenuItem.groovy
	src/main/java/txia/springtutorial/core/domain/Order.groovy
	src/main/java/txia/springtutorial/core/services/MenuService.groovy
	src/test/java/txia/springtutorial/core/domain/fixtures/OrdersFixtures.groovy
	src/test/java/txia/springtutorial/web/controller/SiteIntegrationTest.groovy