enhancement - allow reading over epoch boundaties for mff_v1, to make it consistent with v2. Return hdr.orig.epochdef also in case of a single epoch, add the epochs to the event in ft_read_event. See http://bugzilla.fcdonders.nl/show_bug.cgi?id=1407

git-svn-id: svn+ssh://svn.fcdonders.nl/home/svnroot/fieldtrip/trunk@9222 0cf7c7f0-3615-4144-b4e6-68da3bce3cd0