Implement bazel rules for generation of swagger files

Change-Id: I0e5d33174898cc6a1bbca475f2e1696c4fdda1ca
diff --git a/utils/rest/BUILD b/utils/rest/BUILD
index 27a221f..c52df8e 100644
--- a/utils/rest/BUILD
+++ b/utils/rest/BUILD
@@ -7,7 +7,7 @@
 
 osgi_jar(
     name = "onlab-rest",
-    package_name_root = "org.onlab",
+    group = "org.onlab",
     visibility = ["//visibility:public"],
     deps = COMPILE_DEPS,
 )