Sketching out packaging via Bazel

- modified onos-gen-lib to generate http_file properly
- fixed deps.json entries for apache-karaf & patches .tar.gz files
- sketching tools/package/BUILD file

Change-Id: I311d66095e8d744b8f61a2f3b53a635a2a42732e
diff --git a/tools/package/branding/BUILD b/tools/package/branding/BUILD
new file mode 100644
index 0000000..72fa352
--- /dev/null
+++ b/tools/package/branding/BUILD
@@ -0,0 +1,5 @@
+
+java_library(
+    name = "onos-tools-package-branding",
+    visibility = ["//visibility:public"],
+)
\ No newline at end of file