vcs extractor: graph full file history test
vcs extractor: since date full history test
vcs extractor: graph commit history tests
vcs extractor: commit ids in linear test, upd since-date-graph-commit-history.json
vcs extractor: inline assertOnlyOneDiffAndGetIt
vcs extractor: diffs cache
vcs extractor: new diff format
vcs extractor: upd json
vcs extractor: redirect copy, upd main [dump only commits' histories], reformat
Merge branch 'vcs-extractor'