Fix method signature in CreateUserPasswords migration

Signed-off-by: Alex Coles <alex@alexbcoles.com>
Fix text limit in CreateWikiContentJournals

PostgreSQL doesn't support limits on text columns.

See https://github.com/pwnall/rails/commit/a8a60e92409620f795d04bc720f1dd120d6ec7e2

Signed-off-by: Alex Coles <alex@alexbcoles.com>
Fix LegacyIssuesToWorkPackages for AR API change

 #select_all returns a ActiveRecord::Result.

Signed-off-by: Alex Coles <alex@alexbcoles.com>
Comment index renames in GeneralizeWikiMenuItems

Signed-off-by: Alex Coles <alex@alexbcoles.com>