Fixed the task attachment join in the task adapter
Deprecated emergent tags, delete them from the database on migration
Look at last sync date when deciding when to record task outstanding entries during migration
Look at last sync date when deciding when to record tag outstanding entries during migration
Started working on a way to record tag_added outstanding entries for tasks that need it in the migration
Fixed several bugs that were throwing exceptions in attachments migration
Fixed a type issue in tag last synced dates
Undo all changes to Update class; it's been deprecated and needs to be the same as it used to be for legacy reasons
Removed an unused field
Fixed some issues with the files quick action