fix #523, use catkin_make -C to change direcotry

something has changed in catkin_make around
https://github.com/ros/catkin/commit/6f9d5d3746fb362d08b2c04b0a69c1451cfcd7a6, 
https://github.com/ros/catkin/commit/d24e7fdf63f35a8ef06c0c4b95b648969b8f1152

it ues '.' to get current path so that `cmake -E chdir` works, but now it uses `PWD` and it changed behavior
```
$ cmake -E chdir /tmp python -c "import os; print os.getenv('PWD'); print os.path.abspath('.');"
/home/k-okada/ros/hydro/src/rtm-ros-robotics/rtmros_common/hrpsys_ros_bridge
/tmp

```