Revert back to the "new" plugin location
Revert back to the "new" plugin location

Currently not compatible with experimental.docker.com


Former-commit-id: 8e811838510318938c295cee81b0c7287af81317
tomdee/libnetwork-plugin,projectcalico/libnetwork-plugin,TrimBiggs/libcalico,alexhersh/libcalico,tomdee/libcalico,caseydavenport/libcalico,TrimBiggs/libnetwork-plugin,L-MA/libcalico,TrimBiggs/libnetwork-plugin,Symmetric/libcalico,plwhite/libcalico,robbrockbank/libcalico,projectcalico/libcalico,insequent/libcalico,djosborne/libcalico