[FIX] incorrect handling of orderbys when generator for the groupby field generates more than one orderby clause item
[MERGE] [FIX] read_group: incorrect handling of orderbys when generator for the groupby field generates more than one orderby clause item
[FIX] orm: grouping of date and datetime conflicts ordering on dates with date and datetime - hotfix
[MERGE] [FIX] read_group: skip date(time) fields when generating the sql query, the monthly grouping is done afterward
[MERGE] Forward-port of latest 7.0 bugfixes, up to rev.5240 revid:mat@openerp.com-20140220145445-0xt7alp3uj0os1fz