Accessing 'repo' is bad practice and disabled in newer artifactory
versions (like the one we just deployed). Rely on releases instead.

Also, the identd plugin was depending on the wrong parser, and
was presumably pulling in criminally old versions from artifactory.

This is just an IntelliJ refactor, using EventBus in place of
DMDircMBassador whenever possible.

Stop swimming against the tide and accept what most of the rest of
the world does.

While it adds an annoying depth to the actual source code, it makes
the root directory nicer (no more 'test-res' dirs), means we don't
have to override the gradle config, and makes it nicer to work in
IDEA 2016.1.

In preparation for child eventbusses being removed, anything
trying to subscribe to specific windows now needs an explicit
check.

In the process, fixed two issues:

- channel who plugin was sending way too many requests - each
  connection was querying every channel in the client. i.e.,
  with 5 servers open there'd be 5 WHOs per channel...

- ServerFrame stops itself listening when *any* frame is closed.
  So closing a channel window then reconnecting wouldn't offer
  an SSL dialog, because it's already unbound the listener.

Issue DMDirc/DMDirc#662

This allows the properties to be mocked out in tests, instead
of trying to set global system properties which screw up the
JVM...

Change-Id: I927fe011c2e3675fc1e93624f8fc679a03d19077
Reviewed-on: http://gerrit.dmdirc.com/3901
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Greg Holmes <greg@dmdirc.com>

Change-Id: I11efabb2757d8e62127b6487cbeb62d240cbd891
Reviewed-on: http://gerrit.dmdirc.com/3874
Reviewed-by: Greg Holmes <greg@dmdirc.com>
Automatic-Compile: DMDirc Build Manager

Change-Id: Ic0e6e5f95adc30e773945c95e73d321d589503d2
Depends-On: I8888522d58ff4d332c4a477702442c29a82d12ff
Reviewed-on: http://gerrit.dmdirc.com/3871
Reviewed-by: Greg Holmes <greg@dmdirc.com>
Automatic-Compile: DMDirc Build Manager

Change-Id: I58e485b06887b1215b4d4cba7f2244404a7b81aa
Reviewed-on: http://gerrit.dmdirc.com/3869
Reviewed-by: Greg Holmes <greg@dmdirc.com>
Automatic-Compile: DMDirc Build Manager

* Move all plugins to their own top-level directories.
* Move resources out of source trees
* Add Gradle build scripts.
* Remove ivy and ant build scripts.

Change-Id: Ib69a48ef26800c174ccf51c84ff9d1f73529460f
Depends-On: I303b6b69518468f98d48d835b8f40135d9e4bcbf
Reviewed-on: http://gerrit.dmdirc.com/3850
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Greg Holmes <greg@dmdirc.com>