Hdwallet

Fix Bugs
- https://github.com/meherett/python-hdwallet/commit/da3a3b8ab1747a9f20c700bd6904a6010c2db0ab Fix auto language selection for mnemonic when generating with CLI
- Fix CLI version output.

New Cryptocurrencies
- Add [Flux](https://github.com/RunOnFlux/fluxd) `FLUX` cryptocurrency by MorningLightMountain713
- Add [Ycash](https://github.com/ycashfoundation/ycash) `YEC` cryptocurrency by nultinator

Fix Bugs

Fix https://github.com/meherett/python-hdwallet/pull/69

Improvements
- Command Line Interface (CLI) requirements moved from `requirements.txt` to setup.py `extra_requires` param.

Fix Bugs
- Fix typo error of `furo` package in `extras_require` of dcos.

New Cryptocurrencies
- Add [Tron Mainnet - (TRX)](https://github.com/tronprotocol/java-tron) cryptocurrency,

Fix Bugs
- Fix derivation path class value of hardened `'` key removed from default path when initializing `BIP32HDWallet`, `BIP44HDWallet`, `BIP49HDWallet`, `BIP84HDWallet` and `BIP141HDWallet` of `from_xpublic_key` function.

Improvements
* Add auto semantic selection for `from_xprivate_key` and `from_xpublic_key` functions.
* `BTC` symbol is now the default values for both `generate` and `addresses` commands on CLI.