Bazel support for apps with more than one included artifact

Change-Id: I2972772517a9b5f7f1fac52b9c00123689c0881c
diff --git a/modules.bzl b/modules.bzl
index 8ade79e..1cea8b9 100644
--- a/modules.bzl
+++ b/modules.bzl
@@ -243,7 +243,7 @@
     #"//apps/rabbitmq:onos-apps-rabbitmq-oar",
     #"//apps/odtn/api:onos-apps-odtn-api-oar",
     #"//apps/odtn/service:onos-apps-odtn-service-oar",
-    #"//apps/mcast:onos-apps-mcast-oar",
+    "//apps/mcast:onos-apps-mcast-oar",
     #"//apps/layout:onos-apps-layout-oar",
     #"//apps/imr:onos-apps-imr-oar",
     #"//apps/nodemetrics:onos-apps-nodemetrics-oar",