bugfix - removed the dependence on cfg.sourceunits, convert the sens to the units of the vol (since the vol might contain a system matrix wjoch cannot be converted any more)


git-svn-id: svn+ssh://svn.fcdonders.nl/home/svnroot/fieldtrip/trunk@8700 0cf7c7f0-3615-4144-b4e6-68da3bce3cd0