Change the travis dependency on node to 0.12 from 0.10.
Change the travis dependency on node to 0.12 from 0.10.

tsegismont/hawkular-charts,hawkular/hawkular-charts,tsegismont/hawkular-charts,tsegismont/hawkular-charts,ammendonca/hawkular-charts,ammendonca/hawkular-charts,mtho11/hawkular-charts,hawkular/hawkular-charts,ammendonca/hawkular-charts,hawkular/hawkular-charts,mtho11/hawkular-charts,mtho11/hawkular-charts