enhancement - improved the detection of chan-only data, i.e. with dimord=chan


git-svn-id: svn+ssh://svn.fcdonders.nl/home/svnroot/fieldtrip/trunk@9808 0cf7c7f0-3615-4144-b4e6-68da3bce3cd0
automatically synchronized identical files to revision 9808

git-svn-id: svn+ssh://svn.fcdonders.nl/home/svnroot/fieldtrip/trunk@9809 0cf7c7f0-3615-4144-b4e6-68da3bce3cd0