saveBatch parser

[sponnet]

• create basic parser
• create JSON schema for batchSaveJSON
• determine list of types that a batchSaveJSON can have
• for each type - download IPFS data & pass on to the correct parser

[sponnet]

sample

 {
    "batchSaveJSON": [
      {
        "peep": {
          "ipfs": "QmaZvkhSyb9DBwWjKPwMAACyQRAAGVUm2mPc8sPb1B4v5Y",
          "untrustedTimestamp": 1521247003
        }
      }
    ],
    "untrustedTimestamp": 1521247022
}