Ported --pylab bugfix from setup-notebook-ec2 to setup-notebook-ec2-sshtunnel.
Ported --pylab bugfix from setup-notebook-ec2 to setup-notebook-ec2-sshtunnel.

pearsonlab/thunder,pearsonlab/thunder,thunder-project/thunder,kcompher/thunder,kcompher/thunder,kunallillaney/thunder,mikarubi/thunder,zhwa/thunder,kunallillaney/thunder,j-friedrich/thunder,zhwa/thunder,poolio/thunder,poolio/thunder,mikarubi/thunder,jwittenbach/thunder,j-friedrich/thunder