1.2.0-RC1

• Allow null values in Json parser
• Partition by with multiple fields
• Output table name defined by user
• Added more save options in cubes and triggers
• Sparta executors docker image
• Run with docker containers in cluster and client mode
• Removed Spark 1.5 profile
• Unified spark options sent in spark submit arguments
• Bugfix: Hdfs token renewal
• Bugfix: Policy options correctly saved
• Bugfix: Cube and trigger options correctly saved