[MERGE+FIX] fixes for translations,sequence,copy,error messages - some patches courtesy of Margarita Manterola and Don Kirkby

lp bug: https://launchpad.net/bugs/672130 fixed
lp bug: https://launchpad.net/bugs/663775 fixed
lp bug: https://launchpad.net/bugs/673194 fixed
lp bug: https://launchpad.net/bugs/663977 fixed

bzr revid: odo@openerp.com-20101130110940-0tf6ra0uwhiptieb

bin/sql_db.py

@@ -297,7 +297,11 @@ class ConnectionPool(object):
                 # note: this code is called only if the for loop has completed (no break)
                 raise PoolError('The Connection Pool Is Full')
 
-        result = psycopg2.connect(dsn=dsn, connection_factory=PsycoConnection)
+        try:
+            result = psycopg2.connect(dsn=dsn, connection_factory=PsycoConnection)
+        except psycopg2.Error, e:
+            self.__logger.exception('Connection to the database failed')
+            raise
         self._connections.append((result, True))
         self._debug('Create new connection')
         return result