Changes

Access service for wall event
Correction of some bugs:
- supress the anotation transcient on verificationToken
- persistence.xml in jsf need the class name of the entity
- persistence.xml in rest need the class name of the entity
- *.xml update the name of the atributes to the same in
  the database and add users and events to use in the test
- UserEJB modification of the method sendConfirmationUrl
  because the other code not have a good functionality
  when the verificationToken is null
Create:
- EventEJB
- EventEJBTest
- ServiceTestSuite
Update:
- isEqualToUser ckeck the new attribute accepted
- User add new attribute and put the method getter, setter
  and registeredUser with the javaDoc of the method