Reworks Storage Manager

[luzzu-lab]

• Collapses core/playApi projects
• Reworks SBT files
• Reworks Actions
• Improves configuration
• Improves error handling
• Adds batch (livy) download implementation
• Adds impala/hive query APIs
• Fixes deployment
• Improves JSON and CSV (lazy) conversions
• Adds tests

[luzzu-lab]

Closed without merge: duplicate of #329