Mainnet v1.4.1.2

No need to delete DB, but start node once with `--rescan` flag

* Fixes DB over-storing transactions due to concurrency
* Upgrade to RocksDB 5.7.3
* Upgrades findTransaction logic to match spec (Multi-field intersection, Input field limits)
* Unified API input validation

v1.4.1.1-testnet: Merge pull request #335 from alfredch/public-testnet-1.4.1.1

Public testnet 1.4.1.1

testnet-v1.4.1.1

Testnet v1.4.1.1

Mainnet v1.4.1.1

* Fixes CORS issue introduced with last release
* attachToTangle no longer overwrites tag field unconditionally

IRI Mainnet v1.4.1

Please backup & then delete your IRI database before migrating to this version!

v1.4.0-testnet: Merge pull request #311 from alfredch/public-testnet-1.4.0

Public testnet 1.4.0

v1.4.0: Mainnet Version 1.4.0

* Added Curl-P-81 and moved most operations to it (see https://github.com/iotaledger/kerl)
* Adjusted transaction structure - added attachment timestamp
* Adjusted PoW implementation to set attachment timestamp
* Disable Curl signatures for snapshot addresses

Mainnet v1.3.2.2

* Fixed the race condition preventing proper revalidation

v1.3.2.1: 1.3.2.1

    - Add milestone index parsing checks
    - Clear all milestone cache with --revalidate

v1.3.2: Mainnet Version 1.3.2

* Dockerfile updated for docker hub
* Tip selection criteria narrowed to skip tips with insecure key reusage