Publication crowdsourcing

ALTER TABLE `update_events` CHANGE `update_type` `update_type` SET('atf','translation','annotation','artifact','visual_annotation','other_entity') CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL;

ALTER TABLE `publications`
  DROP `accepted_by`,
  DROP `accepted`,
  DROP `annote`,
  DROP `crossref`,
  DROP `editor`,
  DROP `publication_history`;

ALTER TABLE `publications` CHANGE `note` `note` TEXT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NULL DEFAULT NULL;