New UID generation system that uses the full year as a prefix. Should stop UIDs
from being reused.

alomst finished signup system, all the logic is there, just need to be made to look nice and the deplyment TODOs followed

signup system now generates ldifs, and adds members to the mailing lists, dont forget to remove the dev mods before deploying

UI and validation for the new signup system, actual backend functionality is started but mostly missing