Updating build.properties and release notes for Voldemort jar release 1.5.3
Check stats object to be null to avoid NPE
Re-enabling the auto format on save option
Add RestHadoopFetcher by using Rest-based hadoop client
add back hadoop config in case we need to swtich back to the old hdfsfetcher
add unit tests for validating the new server config
fix some minor issues
replacing webhdfs w/ http