restructuring - made function code and documentation consistent with fieldtrip standards, using code from ft_examplefunction. See http://bugzilla.fcdonders.nl/show_bug.cgi?id=2523


git-svn-id: svn+ssh://svn.fcdonders.nl/home/svnroot/fieldtrip/trunk@9697 0cf7c7f0-3615-4144-b4e6-68da3bce3cd0