[svn r630] fix this mail:
[svn r630] fix this mail:

	[adhocracy-dev] WebApp Error: <class 'sqlalchemy.exc.IntegrityError'>:	(IntegrityError) null value in column "user_id" violates	not-null constraint	'INSERT INTO watch (id, create_time, delete_time, user_id, entity_type, entity_ref) VALUES (%(id)s, %(create_time)s, %(delete_time)s, %(user_id)s, %(entity_type)s, %(entity_ref)s)' {'user_id': None, 'entity_type': 'issue', 'entity_ref': '@[issue:64]', 'create_time': datetime.datetime(2010, 1, 24, 17, 15, 32, 609305), 'delete_time': None, 'id': 64L}

liqd/adhocracy,alkadis/vcv,alkadis/vcv,phihag/adhocracy,DanielNeugebauer/adhocracy,DanielNeugebauer/adhocracy,DanielNeugebauer/adhocracy,alkadis/vcv,liqd/adhocracy,DanielNeugebauer/adhocracy,SysTheron/adhocracy,phihag/adhocracy,phihag/adhocracy,SysTheron/adhocracy,phihag/adhocracy,alkadis/vcv,alkadis/vcv,liqd/adhocracy,phihag/adhocracy,liqd/adhocracy,SysTheron/adhocracy,DanielNeugebauer/adhocracy