message: Change block interval to 2 seconds for testing :)
diff: {
  "initial_timestamp": "2017-03-30T12:00:00",
  "initial_parameters": {
  - "block_interval": 5,
  + "block_interval": 2,
  "maintenance_interval": 86400,
  "maintenance_skip_slots": 3,
  "maximum_transaction_size": 2048,
  