Bummer.. Unable to namespace dynamic reconfigure params:
```
Exception: The name of field 'constraints/goal_time' is definitely not a valid C++ variable name! Change it accordingly.
[ 12%] make[2]: *** [/data/users/kmaroney/ros_ws/devel/include/baxter_interface/VelocityJointTrajectoryActionServerConfig.h] Error 1
```
http://answers.ros.org/question/12158/multiple-dynamic_reconfigure-servers-in-the-same-node/