Privacy data store

[peersky]

Enable privacy data stores:

• Add new enum FieldTypes { PUBLIC, RESTRICTED }
• Add new Struct Field = { value: bytes, type: FieldTypes }
• Change Record to use Field struct instead of bytes32
• nameQuery every field except domainName, including address changes to bytes32 and is suffixed with "Hash", ie "nameHash", "walletHash" etc.
• add new struct newRecord which has all fields Record has but also has fields for hashes of every value
• setRecord must use newRecord struct and use hashes as indexing keys in mappings.