Modifed the description of Constraint Annotation & ValidationMessages.properties. #555
Added the warning about bug of Hivernate Validator(HV-881 and HV-949). #555
Modified some message definitions in default ValidationMassages.properties provided by Hibernate Validator. #555
Merge pull request #600 from terasolunaorg/issues/555_apply-constraint-annotations

Modifed the description of Constraint Annotation & ValidationMessages.properties. #555