Travis CI Ubuntu build environment support
Travis CI Ubuntu build environment support

Geocent/node-hmd,putrinolab1/node-hmd,putrinolab1/node-hmd,Sciumo/node-hmd,Geocent/node-hmd,Geocent/node-hmd,putrinolab1/node-hmd,Sciumo/node-hmd,Sciumo/node-hmd,Geocent/node-hmd,putrinolab1/node-hmd,putrinolab1/node-hmd,Geocent/node-hmd,Geocent/node-hmd,Sciumo/node-hmd,Sciumo/node-hmd