enhancement - merged pull request 35 from https://github.com/fieldtrip/fieldtrip/pull/35: add cfg.plotselection to only plot those trials present in cfg.trials, use line instead of plot, pass positions in figure to downstream code. Thanks to Ian.


git-svn-id: svn+ssh://svn.fcdonders.nl/home/svnroot/fieldtrip/trunk@9518 0cf7c7f0-3615-4144-b4e6-68da3bce3cd0