Breaking changes

• Drop HDFS repository [ISSUE] #741
• Drop support for Spark 1.0-1.2 [ISSUE] #740
• Remove legacy Hive version [ISSUE] #739

Enhancements

• Upgrade to ES 5.0.0-alpha1/2 [ISSUE] #738

Bug fixes

• URLDecoder: Illegal hex characters in escape (%) pattern - For input string: " S" [ISSUE] #747
• ERROR NetworkClient: Node [127.0.0.1:9200] failed (Read timed out); no other nodes left - aborting... [ISSUE] #753
• Elasticsearch Mapreduce write "es.mapping.exclude" not working [ISSUE] #752
• PROBLEM: Failed to write data back to ES by using Spark DataFrame save() API !! [ISSUE] #749
• NetworkClient: Invalid target URI POST@null/pharmadata/test/_search [ISSUE] #748
• Pushdown option not working as expected with Spark data frames [ISSUE] #734

Docs

• Tests fail in build [ISSUE] #755