Merge branch 'release/0.5.1'
Merge branch 'release/0.6.0'
Merge branch 'release/0.7.0'
Merge branch 'release/0.7.1'
Merge branch 'master' of github.com:twitter/storehaus
Merge branch 'release/0.7.2'
Merge branch 'release/0.8.0'
Merge branch 'release/0.9.0'
Merge branch 'release/0.9.1'
Add unittest for RetryingStore.
Add unittest for RetryingStore.
Remove the file.
Merge branch 'develop' into retry_unittest
Remove un-needed file.
Add unittest back.
Merge pull request #240 from luckysong/retry_unittest

Retry unittest