tree cda613e46b78e7d66b9e8482fb430576e85e00d1
parent 554846603d9bd6cd876d3c3f3ba31aa16384c78d
author Jean de Klerk <deklerk@google.com> 1561744543 -0600
committer Alan Donovan <adonovan@google.com> 1562784369 +0000

digraph: clean up docs, usage, copyright

- Move verbose usage docs to godoc, replace usage with terse description of
usage and commands.
- Add copyrights.
- Update usage to more canonical function format instead of const format.

Change-Id: I30d072f391bbf9911798e90efb85cd5351d99205
Reviewed-on: https://go-review.googlesource.com/c/tools/+/184177
Run-TryBot: Alan Donovan <adonovan@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Alan Donovan <adonovan@google.com>