初始化ROS的catkin工作空间：catkin_init_workspace
编译ROS的catkin工作空间：catkin_make
读取当前catkin工作空间的环境变量：source devel/setup.sh
验证ROS工作空间的环境变量加载成功：echo $ROS_PACKAGE_PATH
KDevelop使用：
Have you tried starting KDevelop from within a shell where you have sourced your setup.bash?
参考：
http://wiki.ros.org/IDEs#kDevelop
https://www.cnblogs.com/Jessica-jie/p/6520061.html
