Add an interface for handlers, rework the manager to always use
the interface instead of doing dodgy exported stuff.

* 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>

Change-Id: I69d73f774294ca374b87b5aa5d42127b219a2b5e
Reviewed-on: http://gerrit.dmdirc.com/3798
Reviewed-by: Greg Holmes <greg@dmdirc.com>
Automatic-Compile: DMDirc Build Manager

Change-Id: I34cf63e7b9307b35de53b48165e4ba71a50213ab
Reviewed-on: http://gerrit.dmdirc.com/3274
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Greg Holmes <greg@dmdirc.com>

Change-Id: I7a6ea92a1bb845ac330c610e829184bffc26606f
Reviewed-on: http://gerrit.dmdirc.com/3201
Reviewed-by: Chris Smith <chris@dmdirc.com>
Automatic-Compile: DMDirc Build Manager

Change-Id: I35bf8ce93d7be8fb714b1a58adc9dd66672ec717
Reviewed-on: http://gerrit.dmdirc.com/3124
Reviewed-by: Greg Holmes <greg@dmdirc.com>
Automatic-Compile: DMDirc Build Manager

Change-Id: I3e4fd86a0d19f5167506df5986f7ec256b224820
Reviewed-on: http://gerrit.dmdirc.com/2979
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Greg Holmes <greg@dmdirc.com>

I got bored about half way through, so more to go at some point.

Change-Id: Id1d18950a69090439ee66ae9e5c8ae874bd30fc4
Reviewed-on: http://gerrit.dmdirc.com/2807
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Greg Holmes <greg@dmdirc.com>

Change-Id: I1eea04000294c228a8f66464c89f92c1a7cd5321
Reviewed-on: http://gerrit.dmdirc.com/2605
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Greg Holmes <greg@dmdirc.com>

This reverts commit 561acbc78c

Change-Id: I5c5ee3725f681451c74c05f8bd007d5eb7178049
Reviewed-on: http://gerrit.dmdirc.com/2594
Reviewed-by: Greg Holmes <greg@dmdirc.com>
Automatic-Compile: DMDirc Build Manager

Change-Id: I65539646852b5e1542f23a069a1fe2d68cbf4fa6
Reviewed-on: http://gerrit.dmdirc.com/2591
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Chris Smith <chris@dmdirc.com>

Change-Id: I559bbd9a7e6abdfc73068d4934cfb0fc9f7ce84c
Reviewed-on: http://gerrit.dmdirc.com/2289
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Greg Holmes <greg@dmdirc.com>

Change-Id: Id0ea49f368628d25bc4232eb3d3137fc41c89bbe
Depends-On: I0bf84a236b3d4a3a86bb3cdceadbfb972b7dec27
Reviewed-on: http://gerrit.dmdirc.com/2090
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Chris Smith <chris@dmdirc.com>

Change-Id: Id75a4947fe4c2a08460b4ee9e6e481c568d0c6d3
Reviewed-on: http://gerrit.dmdirc.com/2074
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Chris Smith <chris@dmdirc.com>

Change-Id: If0aa11d3423514916f98054d44ef863dcaac3a49
Depends-On: I62a79e69bd92d4aad1c244f5683f2d0524b8337e
Reviewed-on: http://gerrit.dmdirc.com/2036
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Chris Smith <chris@dmdirc.com>

Change-Id: Iecbb2941c99a3412dc2eb3b7f56fc584d2db483e
Depends-On: Ieefbf2d1e157e3638dbe8fdedbd4f32642061329
Reviewed-on: http://gerrit.dmdirc.com/1884
Reviewed-by: Greg Holmes <greg@dmdirc.com>
Automatic-Compile: DMDirc Local Commits <dmdirc@googlemail.com>

Change-Id: Ic4b352f4e88a13423babf63543553f0da1b5ece5
Reviewed-on: http://gerrit.dmdirc.com/1576
Automatic-Compile: DMDirc Local Commits <dmdirc@googlemail.com>
Reviewed-by: Greg Holmes <greg@dmdirc.com>

Fixes issue CLIENT-70

Depends-on: I75eedbd9966d08d1f600b78f63ece76ad0b27126
Change-Id: I155eede0f29c9dcf2155542c6cc7817ccea096b0
Reviewed-on: http://gerrit.dmdirc.com/1543
Automatic-Compile: Greg Holmes <greg@dmdirc.com>
Reviewed-by: Chris Smith <chris@dmdirc.com>