Fix devstack to support the new pulled out swift3

Change-Id: Ia4f5092e666b581aab4af4851c2848e84817c07a
diff --git a/stack.sh b/stack.sh
index 340d4a8..eb734c3 100755
--- a/stack.sh
+++ b/stack.sh
@@ -214,6 +214,7 @@
 OPENSTACKCLIENT_DIR=$DEST/python-openstackclient
 NOVNC_DIR=$DEST/noVNC
 SWIFT_DIR=$DEST/swift
+SWIFT3_DIR=$DEST/swift3
 QUANTUM_DIR=$DEST/quantum
 QUANTUM_CLIENT_DIR=$DEST/python-quantumclient
 MELANGE_DIR=$DEST/melange
@@ -673,6 +674,7 @@
 if is_service_enabled swift; then
     # storage service
     git_clone $SWIFT_REPO $SWIFT_DIR $SWIFT_BRANCH
+    git_clone $SWIFT3_REPO $SWIFT3_DIR $SWIFT3_BRANCH
 fi
 if is_service_enabled g-api n-api; then
     # image catalog service
@@ -716,6 +718,7 @@
 fi
 if is_service_enabled swift; then
     cd $SWIFT_DIR; sudo python setup.py develop
+    cd $SWIFT3_DIR; sudo python setup.py develop
 fi
 if is_service_enabled g-api n-api; then
     cd $GLANCE_DIR; sudo python setup.py develop