Merge pull request #200 from greboid/tidying2

Tix AwayLabel.
Use nickname in topic UIs.
Merge pull request #201 from csmith/master

Use nickname in topic UIs.
Support for core changes to Invite.
Merge pull request #202 from csmith/master

Support for core changes to Invite.
Merge pull request #203 from greboid/tidying2

Use Query.getQuery in logging plugin.