Refactor RegistrationAgreement to repalce it with RegistrationProtocol. Removed all possible references and uses of RegistrationAgreement. Added Alien RegistrationAgreement type.
Minor Change: Improved enrolments entry point

  * It is now based on GET instead of POST
  * It provides information regarding the enrolment date,
    as well as the remaining time
Adapted over 23 candidacy process to be more generic as a 1st cycle candidcay process.
Added text to inform about the options for data share authorization
Merge branch 'AfonsoFGarcia-ticket/331587' into develop
Bumped version for release of 3.8.0
Merge branch 'release/3.8.0' into develop
Bumped version for development after release.
Add a warning message in JSP files that are used in the first year candidate report
Merge pull request #584 from JNPA/feature/addSimpleComments

Update JSP files used in first year candidate report