restructuring - merged the code from ft_convert_grad into ft_datatype_sens, updated the test script for neuromag (it still runs fine), changed the handling of unit-conversion in ft_compute_leadfield in accordance with http://bugzilla.fcdonders.nl/show_bug.cgi?id=686


git-svn-id: svn+ssh://svn.fcdonders.nl/home/svnroot/fieldtrip/trunk@8301 0cf7c7f0-3615-4144-b4e6-68da3bce3cd0
automatically synchronized identical files to revision 8301

git-svn-id: svn+ssh://svn.fcdonders.nl/home/svnroot/fieldtrip/trunk@8302 0cf7c7f0-3615-4144-b4e6-68da3bce3cd0