Merge pull request #4083 from wanderingbort/feature/3598-3599-better-localhost-detection-for-warnings

Uniform and extended security warnings

set executable bit on mas_sign.sh

Fix issue #4051

Add key-blacklist

Additional check in name bidding

Allow squelching of debugging output over HTTP

Add push block with invalid transaction test

- add option to enable the inclusion of http details in API responses (defaults to false, enabled via `verbose-http-errors` in config or command line)
  - this works for keosd and nodeos
- add configurable paramter for max payload size (defaults to 1MiB, set via `max-body-size` in bytes in config or command line)

wallet_api interface & soft_wallet refactor

bnet node to follow irreversible block instead of head

Just embed the logic needed right in to wallet implementations. This will cause a little bit of code duplication but avoids the complexity of the functor

add support for LetsEncrypt certs

new bnet protocol versioning scheme - variable number of hello extensions after hello (in the same websocket frame) #4061

show core token balances (including liquid core token balance) in cleos get account

Integration test improvements

- added security warning to producer API plugin
- made existing checks uniform and more robust
- added security error for wallet when its exposed to the LAN and unencrypted

EOSIO/eos#3598 EOSIO/eos#3599

locking is a desired  wallet invariant

Add unstaking info to get account of cleos and chain_plugin