Upgraded to bazel 0.6.1

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

Change-Id: I904612c5dcc1a1cd285e160c0836b7249ab5ce72
diff --git a/tools/build_rules/fortran.bzl b/tools/build_rules/fortran.bzl
index 2d6e4db..e1f2abf 100644
--- a/tools/build_rules/fortran.bzl
+++ b/tools/build_rules/fortran.bzl
@@ -77,6 +77,7 @@
       name = name + '_' + pic_o_file,
       src = src,
       visibility = ['//visibility:private'],
+      restricted_to = ['@//tools:k8'],
     )
     pic_o_files.append(pic_o_file)
 
@@ -88,4 +89,5 @@
       '-lgfortran',
     ],
     visibility = visibility,
+    restricted_to = ['@//tools:k8'],
   )