[FIX]:Issue of add custome field on object
[MERGE] BUG 1082003: orm: _rec_name should be checked on _all_columns not _columns
[IMP] don't log from import when converting psycopg exceptions to output messages

add conversion for unique constraints, test behavior on unique constraint failure
Launchpad automatic translations update.
[FIX] registry: fix a bug where RegistryManager.new() could return an out-of-date registry.