enhancement: mesh2edge function added to /private for plotting simbio meshes with ft_electroderealign

git-svn-id: svn+ssh://svn.fcdonders.nl/home/svnroot/fieldtrip/trunk@7437 0cf7c7f0-3615-4144-b4e6-68da3bce3cd0
enhancement: ft_electroderealign works also with simbio meshes in interactive mode

git-svn-id: svn+ssh://svn.fcdonders.nl/home/svnroot/fieldtrip/trunk@7438 0cf7c7f0-3615-4144-b4e6-68da3bce3cd0
documentation - reformulated cfg.order and cfg.lambda so that it becomes more obvious that these options are not there for the distance method)


git-svn-id: svn+ssh://svn.fcdonders.nl/home/svnroot/fieldtrip/trunk@7439 0cf7c7f0-3615-4144-b4e6-68da3bce3cd0
bugfix #1969 - in prepare_neighbours, first channels will be subselected then neighbours will be defined. Also extended test script to cover some exceptions.

git-svn-id: svn+ssh://svn.fcdonders.nl/home/svnroot/fieldtrip/trunk@7440 0cf7c7f0-3615-4144-b4e6-68da3bce3cd0