Cherry-picks thru #2790
- Set timeout at start daemon for all connections
- add pausing facility
- Ignore latets clock cosig validation in validateDB for iso server
- Bypass validation for missing microblock
Cherry-picks thru #2791
- Added flag nonisoload to allow generate state from statedeltas
- Fix lcov report uploading to CodeCov
- Update bug bounty link
- docs: Zilliqa-JavaScript-Library -> zilliqa-js