v0.3.1.0 release
minor change in s3 adapter
Merge pull request #53 from ywang19/master

v0.3.1.0 release
v0.3.1.0 release
Create DISTRIBUTIONS.md
Update DISTRIBUTIONS.md
Update DISTRIBUTIONS.md
Update README.md
remove binary packages
Changed file name from COSBenchAdapterDevGuide.pdf to COSBenchAdaptorDevGuide.pdf