enhancement - major rewrite of core functionality, added a tabular GUI to get an improved overview. The function seems to be working as expected and removes the desired fields. See http://bugzilla.fcdonders.nl/show_bug.cgi?id=2484


git-svn-id: svn+ssh://svn.fcdonders.nl/home/svnroot/fieldtrip/trunk@9376 0cf7c7f0-3615-4144-b4e6-68da3bce3cd0