Update SingleUserGroup for Gerrit 2.8

Use the user's preferred email address as the address of the group.
Suggestion needs to accept an optional ProjectControl, filtering
users that do not have access to the target project.

Change-Id: Ic3c3a6c19ba6f1aa81362d7e5393bb719e271a57
2 files changed
tree: e6034a4b6c67d7bbf69cc345dcad9c9bc901f075
  1. .gitignore
  2. .settings/
  4. pom.xml
  5. src/