git: openjdk/guide: Joined the guide into a single file

[Jesper Wilhelmsson]

Changeset: 885b434c
Author:    Jesper Wilhelmsson <jwilhelm at openjdk.org>
Date:      2020-10-16 04:08:40 +0000
URL:       https://git.openjdk.java.net/guide/commit/885b434c

Joined the guide into a single file

Reviewed-by: smarks, iris

! Makefile
! README.md
! src/about.md
! src/bugDatabase.md
! src/changePlanning.md
! src/codeConventions.md
! src/codeowners.md
! src/faq.md
- src/getSource.md
! src/glossary.md
- src/hgHelp.md
! src/index.md
! src/intro.md
- src/jbslabels.md
! src/mailingLists.md
! src/next.md
! src/processWorkflow.md
! src/producingChangeset.md
! src/repositories.md
- src/tClone.md