Stop using ErrorManager.getErrorManager().

Remove more Logger calls.

Tidying.

Use CoreAboutDialogModel for licences.

Mostly use new core about model.

ClientInfo is no longer static.

Ignore generated folder.

Tidy up the new server dialog linker.

Tidy up feedback model listener.

Kill some unused fields/imports.

Collate plugin PMD reports into one dir.

Tidy up AliasManagerLinker.

In theory make DNS plugin work with IPv6.

Tidy up invite label.

Update PMD to 5.2.2.

Remove the window menu.

This can easily be implemented as a plugin, and as I really don't
fancy fixing it this seems like the next best thing.

Synchronise selection events.

Update build scripts for artifactory.

Gradle version bump.

Tidy up gradle source sets.

This replaces the default source directories (src/main/java, etc)
with our own, instead of just appending ours to the list.

Unit test beep command.

Fix non refreshing away colours.