* [NOD-381] Publish transaction messages to MQTT
* [NOD-381] Remove redundant variable
* [NOD-381] Send payload as string
* [NOD-381] Add Error handling
* [NOD-381] Respond with TransactionResponse
* [NOD-381] Use transactionResponse for notifications
* [NOD-381] Move code to appropriate places
* [NOD-381] Pass raw block instead of txId
* [NOD-381] Add comments to public functions
* [NOD-381] Remove print statement
* [NOD-381] Pass transaction instead of block; Use pointers so default will be nil;
* [NOD-381] Use pointers so value could be nil
* [NOD-381] Change variable name
* [NOD-381] Set QoS to 2
* [NOD-381] Move isConnected to MQTT, so client won't have to worry about it; General code refactors;
* [NOD-350] Implement testnet faucet
* [NOD-350] Add JSON annotations to api server response types
* [NOD-350] Fix IP check query, update IP usage with upsert, and make IP a primary key
* [NOD-377] Remove redundant float conversion
* [NOD-377] Change not current database error message
* [NOD-377] change API route from /money_request to /request_money
* [NOD-377] Add a constant for 24 hours
* [NOD-377] Remove redundant call for getWalletUTXOSet()
* [NOD-377] Condition refactoring
* [NOD-377] Fix POST request to API server content type
* [NOD-350] Rename day -> timeBetweenRequests
* [NOD-377] Rename timeBetweenRequests -> minRequestInterval, timeBefore24Hours -> minRequestInterval
* [NOD-350] Rename file responsetypes -> response_types
* [NOD-350] Rename convertTxModelToTxResponse -> convertTxDBModelToTxResponse
* [NOD-350] Explicitly select blue_score in fetchSelectedTipBlueScore
* [NOD-350] Refactor and add comments
* [NOD-350] Make calcFee use MassPerTxByte
* [NOD-350] Convert IP column to varchar(39) to allow ipv6 addresses
* [NOD-350] Add comments to isFundedAndIsChangeOutputRequired
* [NOD-350] Remove approximateConfirmationsForCoinbaseMaturity
* [NOD-350] Fix comments
