hg: jdk/sandbox: Revive "Support for generating man pages from markdown." (changeset f00e76e7d53f

[magnus.ihse.bursie at oracle.com]

Changeset: 78ed9c424877
Author:    ihse
Date:      2018-09-18 14:20 +0200
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/78ed9c424877

Revive "Support for generating man pages from markdown." (changeset f00e76e7d53f
in ihse-javadoc-branch in jdk9/sandbox)

! make/Docs.gmk
! make/common/Modules.gmk
! make/common/ProcessMarkdown.gmk