Release 0.8.4

- minor updates from the 0.8.3 release to fix file permissions in the released gem.
- fixes a warning when using the gem

lib/google/api_client/version.rb

@@ -18,7 +18,7 @@ module Google
     module VERSION
       MAJOR = 0
       MINOR = 8
-      TINY  = 3
+      TINY  = 4
       PATCH = nil
       STRING = [MAJOR, MINOR, TINY, PATCH].compact.join('.')
     end