Added Diagnostics for Missing Transactions in integration tests

Remove unneeded lambda capture in abi serializer

Added code to retrieve a block log using the tool and improved filterJsonObject to also handle json arrays. GH #5674

Reverted in memory storing of json objects and manually adding json array indication and adding flag to request json array format. GH #5674

Fixes for remote tests

Added link to the BP heartbeat plugin

Don't import eosio key in remote runs as it won't be available. Use defproducera account instead of eosio for user accounts creation as remote runs don't have eosio keys.

On macOS populate root CAs via system cert store

Added link to the heartbeat plugin (details here: https://medium.com/@liquideos/increasing-stability-of-the-eos-blockchain-11921477549e)

Some BPs have started using it (as can be seen here: http://heartbeat.liquideos.com/), So people in the community requested that i add it here as well.


A curated list of some more plugins can be found here:
https://github.com/tmuskal/awesome-eosio-plugins

Added reading reversible blocks to block log tool