Merge branch 'release' of https://github.com/WindowsAzure/azure-sdk-for-java into release
fix the javadoc documentation issue.
Merge branch 'dev' of https://github.com/gcheng/azure-sdk-for-java into packagedoc
Merge branch 'dev' of https://github.com/gcheng/azure-sdk-for-java into packagedoc
Merge pull request #26 from gcheng/packagedoc

Fixing missing package level javadoc.