bugfix - also remove the unmixing field if present, before updating raw/timelock/freq


git-svn-id: svn+ssh://svn.fcdonders.nl/home/svnroot/fieldtrip/trunk@9443 0cf7c7f0-3615-4144-b4e6-68da3bce3cd0
automatically synchronized identical files to revision 9443

git-svn-id: svn+ssh://svn.fcdonders.nl/home/svnroot/fieldtrip/trunk@9444 0cf7c7f0-3615-4144-b4e6-68da3bce3cd0
restructuring - cfg.coordsys became more deprecated, hence I changed it into mri.coordsys=spm in the test script


git-svn-id: svn+ssh://svn.fcdonders.nl/home/svnroot/fieldtrip/trunk@9445 0cf7c7f0-3615-4144-b4e6-68da3bce3cd0
enhancement - small modifications to cfg/mri.coordsys handling for test script


git-svn-id: svn+ssh://svn.fcdonders.nl/home/svnroot/fieldtrip/trunk@9446 0cf7c7f0-3615-4144-b4e6-68da3bce3cd0