Mainnet release v4.0.1

Mainnet Release v4.0.0

Mainnet Release v3.1.3

This is a regular release with bugfixes and enhancement.
It is not a mandatory upgrade but highly encouraged.

* fix bugs in eth rpc support
* add accounts endpoint
* additional eth rpc support
* fix race conditions in state syncing
* fix panic in view change

Mainnet Release v3.1.2

This is a minor release to fix a few Ethereum API compatibility issue.
It fixes a few bugs in rare conditions.

Mainnet Release v3.1.0

This is a major release to support Ethereum compatible tooling on Harmony blockchain.
The Ethereum tooling compatibility will be enabled at Epoch 442 (~Thursday Feb 4th 2020, 10AM PST)

Major Changes included in this release.

* Ethereum compatible tooling support, including Metamask, Truffle, web3.js support etc.
* Ethereum RPC support
* Acturate token supply reporting
* Bootnode DNS support
* Various bug fixes on Rosetta/State Syncing/Block Proposal

enable eth txn at epoch 442 (harmony-one#3513)

Merge pull request harmony-one#3493 from LeoHChen/update_abi

[abi] update abi package to upstream go-ethereum version

Merge pull request harmony-one#3489 from LeoHChen/libp2p_upgrade

[go.mod] libp2p upgrade

Mainnet Release v3.0.0