2018-01-01 (tag: v2.18.0101)

README.md: Bela Gipp on Bitcoin blockchain trusted timestamping,
see arxiv.org/abs/1502.04015

Add bin/signvictor to sign commit timestamps of a repo.
Output can be published publicly for another piece
of evidence supporting the timeline of events.

Add 2015-11-02-marker.txt as output from signvictor.
So the full commit history up to v2.15.1101
is hashed as signed message with sha256 at
https://rsvp.quora.com/victor-v2-15-1101

v2 Practical example for README.md using Alice's novel.
Obviously she is fictional, but the dates and markers are real.

Add 2018/01/2018-01-01-marker.txt via signvictor.

Add .github directory for templates and info:

- new file:   .github/CODE_OF_CONDUCT.md
- new file:   .github/CONTRIBUTING.md
- new file:   .github/ISSUE_TEMPLATE.md
- new file:   .github/PULL_REQUEST_TEMPLATE.md

Commit hashes auto embed for free in Bitcoin blockchain

Incorporate the post-commit hook posted in bin.
Important because issued timestamps from victor
are in fact the git SHA-1 commit identifiers.

Preliminary documentation, plus one marker file.