move to node 0.12
move to node 0.12

ScottPJones/beaker-notebook,vital-ai/beaker-notebook,vital-ai/beaker-notebook,vital-ai/beaker-notebook,vital-ai/beaker-notebook,ScottPJones/beaker-notebook,ScottPJones/beaker-notebook,vital-ai/beaker-notebook,vital-ai/beaker-notebook,ScottPJones/beaker-notebook,vital-ai/beaker-notebook,ScottPJones/beaker-notebook