Changes

tsk62 Fixes in edit user
The password must be encrypted in the entity, so any encryption function
at this level is eliminated. To do this, a specific variable is created
in the backing beans to control the change of password and call the
corresponding function. It verifies that the user really changes the
password since the Principal interface no longer recognizes this user
and has to log in again. It also checks if the user changes email and
that the new email is not stored.
In the view, it is unified with the format of the rest of the views and
changes the Spanish word. It also adds the date of birth field, the
change form is deleted and it is changed by a field to enter the new
password. Checks are incorporated for those field that can't be null.