fix which joints are inverted
fix which joints are inverted

RethinkRobotics/baxter_tools,wjchen84/baxter_examples,Sannoso/baxter_examples,RethinkRobotics/baxter,umassrobotics/baxter,jaspell/baxter_examples,baxter-flowers/baxter_tools,RethinkRobotics/baxter_examples,umassrobotics/baxter,davetcoleman/sdk-examples,davetcoleman/sdk-examples