restructuring - this one goes together with r8691, see http://bugzilla.fcdonders.nl/show_bug.cgi?id=2355


git-svn-id: svn+ssh://svn.fcdonders.nl/home/svnroot/fieldtrip/trunk@8692 0cf7c7f0-3615-4144-b4e6-68da3bce3cd0