i18n priority criteria

[luigidellaquila]

i18n priority criteria should be reviewed as follows:

for a class (higher to lower priority):

• i18n file
• feature on XML annotation
• feature on java annotation

for subclasses: these criteria should be applied for each class in the hierarchy.

es.

class Employee extends Person

priorities (higher to lower):
Employee.fieldName.label (i18n)
Employee.xml
Employee.java (annotation)
Person.fieldName.label (i18n)
Person.xml
Person.java (annotation)
Object.fieldName.label (i18n)
Object.xml