Add '--list-plugins' option to init step

'--list-plugins' option will show all plugins that are included in
distributed war file.

This option will be useful with '--install-plugins' (added by follow up
commit) to enable automated plugin installation during Gerrit site
initialization.

Change-Id: I7e5847637324fcc1c58ba7acb1049ba5f71d8710
Signed-off-by: Dariusz Luksza <dariusz@luksza.org>
3 files changed