updated for the Havana branch

Change-Id: Iaa6de77139397fdd5cf72acf0e5072d80c6151ce
Adding Berksfile.lock for stable branch

	* removed Berksfile.lock from .gitignore
	* added branch tag to Berksfile dependencies

Change-Id: Iad82430c860e3e764969a158526b15cc2a460e01
allow specifying bind ip and port

We should be able to specify a bind IP and bind port for the api service

Change-Id: I62caf397995fbcf3a202992b353c05cc027d07b6
Allow binding locally to different IP than endpoint IP

Sometimes you want the actual endpoint IP to be a load balanced IP, but
the bind IP to be a local IP (different per node).

This change allows that by using attributes from the [block-storage-api-bind] namespace

Implements blueprint increase-ip-binding-flexibility

Change-Id: I6cf4c5726ce0b12a95c374883c7181ade04b59dd
custom changes for AT&T netapp implementation
add variable for launch vm from cinder
add variable for launch vm from cinder
Merge pull request #2 from vnaboychenko/stable/havana

Stable/havana
fix nfs mounts for different drivers
fix nfs mounts for different drivers
Merge pull request #3 from vnaboychenko/stable/havana

Stable/havana
fix cinder for NFS mounts
Merge pull request #6 from vnaboychenko/stable/havana

fix cinder for NFS mounts