devstack support for v2 nova/quantum integration

Adds support to use v1 or v2 quantum api via  NOVA_USE_QUANTUM_API

This fixes bug 1017760

Change-Id: Iaf77b830edc51fd4c820ddff9e1f482bc4c9904d
diff --git a/AUTHORS b/AUTHORS
index 67120f6..c6c9b6a 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -1,4 +1,5 @@
 Aaron Lee <aaron.lee@rackspace.com>
+Aaron Rosen <arosen@nicira.com>
 Adam Gandelman <adamg@canonical.com>
 Andy Smith <github@anarkystic.com>
 Anthony Young <sleepsonthefloor@gmail.com>