nova-agent should replace the Slice or Image ID rather than append
Merge pull request #42 from gtmanfred/master

Do not add static routes that are the default route, if a default gateway already exists.

Courtesy of gtmanfred. Thank you!
Merge pull request #39 from Camisa/master

nova-agent should replace the Slice or Image ID rather than append
sbindir changes to exec_prefix

Systemd requires a full path for the start of the command, and there
isn't one that isn't a nice way to change this.