[commit: base] type-nats's head updated: Merge remote-tracking branch 'origin/master' into type-nats (b75362f)

[Iavor Diatchki]

Repository : ssh://darcs.haskell.org//srv/darcs/packages/base

Branch 'type-nats' now includes:

     1b5f7ae... Export setNumCapabilities
     9a679be... Removing the MonadGroup class. This is to reflect the removal of the default grouping clause from the SQL-like comprehension notation ;
     f4b7124... Add <> as an alias for mappend
     b75362f... Merge remote-tracking branch 'origin/master' into type-nats