bugfix - fixed regression error detected in test_bug1967a due to MRI not having units, also updated all code from hasunits to hasunit (without s)


git-svn-id: svn+ssh://svn.fcdonders.nl/home/svnroot/fieldtrip/trunk@9006 0cf7c7f0-3615-4144-b4e6-68da3bce3cd0
automatically synchronized identical files to revision 9006

git-svn-id: svn+ssh://svn.fcdonders.nl/home/svnroot/fieldtrip/trunk@9007 0cf7c7f0-3615-4144-b4e6-68da3bce3cd0