rename keystone to identity

Change-Id: If82e1cc686d0ce98a16b319fe120efab0e786210
be explicit about the rootwrap.d's dir location

Change-Id: If040fde80b755cffb589ff91a10d12ab1ca40ce9
get rid of network_addr ohai plugin dependency

Change-Id: I9553b1bbc7bbd5b0af01d1be1b70cfe494749612
Merge "get rid of network_addr ohai plugin dependency"