Bazel: Publish to local Maven repository and Google storage bucket

TEST PLAN:

  $ VERBOSE=1 tools/maven/mvn.sh install
  $ VERBOSE=1 tools/maven/mvn.sh deploy

Change-Id: I0b60f9e2137d8755f6e4ca32ff35ec5a5364f4a6

gitiles-servlet/BUILD

diff --git a/gitiles-servlet/BUILD b/gitiles-servlet/BUILD
index d3a7ff3..6b9fdef 100644
--- a/gitiles-servlet/BUILD
+++ b/gitiles-servlet/BUILD
@@ -84,4 +84,5 @@
     ],
     pkgs = ["com.google.gitiles"],
     title = "Gitiles API Documentation",
+    visibility = ["//visibility:public"],
 )