Upgraded to bazel 0.6.1

Enable cpu environments so we can drop the NO_BUILD_* files!!!

Change-Id: I904612c5dcc1a1cd285e160c0836b7249ab5ce72
diff --git a/aos/externals/seasocks/gen_embedded.bzl b/aos/externals/seasocks/gen_embedded.bzl
index 07a3a33..a11e30a 100644
--- a/aos/externals/seasocks/gen_embedded.bzl
+++ b/aos/externals/seasocks/gen_embedded.bzl
@@ -9,7 +9,7 @@
   )
 
   return struct(
-    files = set([ ctx.outputs.header ]),
+    files = depset([ ctx.outputs.header ]),
   )
 
 _do_gen_embedded = rule(