enhancement - use ft_selectdata for both trial and channelselection, use rollback_provenance for ft_selectdata and for ft_preprocessing. See the related issue http://bugzilla.fcdonders.nl/show_bug.cgi?id=2625


git-svn-id: svn+ssh://svn.fcdonders.nl/home/svnroot/fieldtrip/trunk@9691 0cf7c7f0-3615-4144-b4e6-68da3bce3cd0