regen MyApp directory from v5.03.
Regen after MyApp upgrade.
CHEAT : see Minilla v0.7.5 Changes.
Minor tweaks :

- Fix some markdown block quoting
- Modify the web server invocation command since Amon2 5+ doesn't generate app.psgi
Merge pull request #2 from GeJ/PR_v5_BBS

Minor tweaks and updates to the latest version of Amon2