Updated licenses on source and header files to Apache2
Added joint points to task level xml parser, in prep for named home point
Merge branch 'master' of github.com:mtconnect/ros_bridge
Added several packages to support new state machine and final demo (stored in mtconnect_example_launch)
Reverting an accidental change
Working material load cycle with new state machine
Missed new service definition in last commit
Material unload now working in new state machine
Merge branch 'master' of github.com:mtconnect/ros_bridge