Initial commit for hdfs stats rest api
Update README.md

Updating known issues to remove stuff that is already fixed
[maven-release-plugin] prepare release hraven-0.9.8
[maven-release-plugin] prepare for next development iteration
Issue #56 Adding a rest api for returning hdfs stats for a cluster
Issue #58: Enabling a timeseries REST api for hdfs stats for a given attribute of a path on a hadoop cluster
Issue #56 Ensuring the older timestamps are checked for only when no stats are found
Issue #56 Review changes for  REST api for geting hdfs stats of a cluster
Issue #56 Review changes for rest api for hdfs stats
Issue #56 Adding more unit tests for QualifiedPathKey
Issue #56 modifying the compareTo for QualifiedPathKey
Issue #56, #58 Updating as per discussion with Joep, ensuring max retries is bounded by array size, adding compareTo, equals, hashCode for HdfsStatsKey, simplifying/reducing json response for HdfsStatsKey, ensuring the path is always cleansed while looking for it in the row key
Merge pull request #57 from vrushalic/hdfs_rest_api

REST api for geting hdfs stats of a cluster