Merge pull request #1369 from pmienk/version3

Regenerate with updated version to 3.8.0.

Update sha per test matrix.

Change from boost::filesystem to std::filesystem.

Merge pull request #1131 from thecodefactory/build-update

Regenerate build artifacts.

Various updates.

Add segregated witness and regtest, fixes.

Add bip68/112/113 and optimizations.

Optimizations, dust, tx pool finality, fix coinbase pattern.

Store compression, fixes and improvements.

Major new features and improved quality.