Changes

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
- letta-mysql.inserts.sql
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
- Event.java is modified to put the size of attribute head to
  50 characters