* Use separate than finality depth for merge set calculations after HF
* Add comments and edit error messages
* Fix TestValidateTransactionInContextAndPopulateFee
* Don't disconnect from node if isViolatingBoundedMergeDepth
* Use new merge root for virtual pick parents; apply HF1 daa score split for validation only
* Use `blue work` heuristic to skip irrelevant relay blocks
* Minor
* Make sure virtual's merge depth root is a real block
* For ghostdag data we always use the non-trusted data
* Fix TestBoundedMergeDepth and in IBD use VirtualMergeDepthRoot instead of MergeDepthRoot
* Update HF1DAAScore
* Make sure merge root and finality are called + avoid calculating virtual root twice
* Update block version to 1 after HF
* Update to v0.12.0
Co-authored-by: msutton <mikisiton2@gmail.com>