Default Q_HOST to HOST_IP rather than localhost.
This makes it less likely to interact with e.g. http_proxy settings.
I filed this as bug 1080561.
Change-Id: If97459a28f2d2a77cd322bb3f6024d11fbb8fcd4
diff --git a/stack.sh b/stack.sh
index ec10b11..70c9e04 100755
--- a/stack.sh
+++ b/stack.sh
@@ -330,7 +330,7 @@
# Default Quantum Port
Q_PORT=${Q_PORT:-9696}
# Default Quantum Host
-Q_HOST=${Q_HOST:-localhost}
+Q_HOST=${Q_HOST:-$HOST_IP}
# Which Quantum API nova should use
# Default admin username
Q_ADMIN_USERNAME=${Q_ADMIN_USERNAME:-quantum}