replacing empty list with null for cache
a comment to help the future me...
Revert "a comment to help the future me..."

This reverts commit a1b7cb7d744ebfd2d8b120ad24e130bad75859f2.
Merge pull request #175 from unwin/2014.08-FB-5217-5201

2014.08 fb 5217 5201
[maven-release-plugin] prepare release dasein-cloud-google-2014.08.8
[maven-release-plugin] prepare for next development iteration
Merge branch '2014.08'
Update version