ROS進階學習筆記（24） -- Metapackage

Metapackage 是ROS File System 概念層中的一個概念：

2. Create and Configure a Metapackage:

url: http://wiki.ros.org/catkin/package.xml#Metapackages

Usually the parent folder, named like the meta package or just the repo name, contains no package.xml but all packages and also the folder again named like the meta package, containing the package.xml with the meta-declaration.

ref: http://wiki.ros.org/catkin/migrating_from_rosbuild#Package_Layout_in_Workspace