this is workaround for #191

I'm not sure why we need this, because this has been passed the Travis test and why this failed, for example 1.0.20 passed 5 days ago and I restarted only 1 job today and it failed....
https://travis-ci.org/start-jsk/rtmros_hironx/builds/31307225

In this patch, I updated joint angles of left arm that is calculated by solving ik using "answer" pose.