attempt to be running simple-spring-app

adding javax.validation support not included by the app:

2013-07-11 10:06:52,128 : SEVERE : Thread-6 : StandardContext.loadOnStartup :    Servlet /app threw load() exception
javax.validation.ValidationException: No Validation Provider Found. Check that a Validation Provider implementation is provided
        at javax.validation.Validation$GenericBootstrapImpl.configure(Validation.java:193)
        at org.springframework.validation.beanvalidation.LocalValidatorFactoryBean.afterPropertiesSet(LocalValidatorFactoryBean.java:185)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory$6.run(AbstractAutowireCapableBeanFactory.java:1504)
        at java.security.AccessController.doPrivileged(Native Method)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1502)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1452)
Merge branch 'jonas'