GitLab

 - Add multiple email field to tacke multiple emails via SAML
 - Made appropriate changes to activation functions
 - Made changes to activation form

Added a boolean field in user profile to overcome django-social-auth
restrictions regarding the auth and login proccess while a user was inactive.
Updated the corresponding activation view plus created a migration.

Added a managerial overview for a group of users. Implemented an
alternate login mechanism based on LDAP. Will serve as a helpdesk
single point of reference for the app.