Fixed freesurfer example.
Fixed freesurfer example.

OnWithLife/brainbrowser,juanprietob/brainbrowser,rdvincent/brainbrowser,OnWithLife/brainbrowser,juanprietob/brainbrowser,rdvincent/brainbrowser,OnWithLife/brainbrowser,juanprietob/brainbrowser,rdvincent/brainbrowser,juanprietob/brainbrowser