[FIX] make sure the read_group method use the correct time interval when grouping with an interval of days (stupid typo) (orm.py)
[MERGE] merge from trunk
[MERGE] merge from trunk
[MERGE] merge from trunk
[MERGE] fix a stupid error with the computation of domains in read_group: it was wrong when the interval is day (orm.py)
[FIX] test: HttpCase wait http requests to finish