Mark the project as unmaintained

Change-Id: Ic5f0c0a92d4cc93753c883f10e73fad8e2dc6a03
diff --git a/README.md b/README.md
index e776be8..47e499d 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,8 @@
 
 # Eclipse plugin for [Bazel](http://bazel.io) (**Highly experimental**)
 
+__This project is unmaintained__
+
 e4b is an Eclipse plugin for Bazel. It is really rudimentary.
 It simply supports creating the classpath from a project and using
 Bazel for incremental builds.