enhance logging for truechain, just like in https://github.com/truechain/py-trueconsensus (truechain's py based alt-ego)

for orchestrator, referred to as minverva.py:

py-trueconsensus  ./minerva.py 
loaded local_config.py from /etc/truechain
Storing engine logs to file: /var/log/truechain/engine.log
Storing client logs to file: /var/log/truechain/client.log
Start time:  2018-07-0

This looks good work.

For cross-language support, it would be good to go deep into one language with runtime support, rather than going wide and providing compile-time linking options for many languages.

For example, once C/C++ implementation is done, please:

• provide connectivity options to invoke the API through HTTP/2, WebSockets, RPC etc. so that all other languages, such as