header.txt files in labs-openstack and labs-google?

[Andrew Phillips]

Does anybody know what the header.txt files in labs-openstack [1] and  
labs-google [2] are for? The file doesn't seem to exist in any of the  
other repos...

ap
[1] https://github.com/jclouds/jclouds-labs-openstack/blob/master/header.txt
[2] https://github.com/jclouds/jclouds-labs-google/blob/master/header.txt