hg: code-tools/jtreg: Revive FAQ, now in Markdown format

[jonathan.gibbons at oracle.com]

Changeset: 3291fca42176
Author:    jjg
Date:      2018-08-10 10:59 -0700
URL:       http://hg.openjdk.java.net/code-tools/jtreg/rev/3291fca42176

Revive FAQ, now in Markdown format

! make/Defs.gmk
! make/jtreg.gmk
+ src/share/doc/javatest/regtest/faq-intro.html
+ src/share/doc/javatest/regtest/faq-local-style.html
+ src/share/doc/javatest/regtest/faq.md