Create floating ip pool when  quantum is enalbed

QuantumManager didn't use to support floating ip, but now it should.

Change-Id: Ic150a4a4bd44e05a0a094ee80578c908162fb2c0
diff --git a/stack.sh b/stack.sh
index 2c535b9..aa957a1 100755
--- a/stack.sh
+++ b/stack.sh
@@ -1559,15 +1559,11 @@
     # create a small network
     $NOVA_DIR/bin/nova-manage network create private $FIXED_RANGE 1 $FIXED_NETWORK_SIZE
 
-    if is_service_enabled q-svc; then
-        echo "Not creating floating IPs (not supported by QuantumManager)"
-    else
-        # create some floating ips
-        $NOVA_DIR/bin/nova-manage floating create $FLOATING_RANGE
+    # create some floating ips
+    $NOVA_DIR/bin/nova-manage floating create $FLOATING_RANGE
 
-        # create a second pool
-        $NOVA_DIR/bin/nova-manage floating create --ip_range=$TEST_FLOATING_RANGE --pool=$TEST_FLOATING_POOL
-    fi
+    # create a second pool
+    $NOVA_DIR/bin/nova-manage floating create --ip_range=$TEST_FLOATING_RANGE --pool=$TEST_FLOATING_POOL
 fi