Also fix an invalid default option for the "background option"

* 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: I421391f9eef53b582838b7dc8471f4ad737c38e7
Reviewed-on: http://gerrit.dmdirc.com/3236
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Chris Smith <chris@dmdirc.com>

Fixes CLIENT-11

Change-Id: I192562e176615f337df2f7686d0f6c50e00d9b27
Reviewed-on: http://gerrit.dmdirc.com/1969
Reviewed-by: Chris Smith <chris@dmdirc.com>
Automatic-Compile: DMDirc Build Manager

Tidy up mainframe (creating a new dialog class).
Fix OptionalJSpinner having an excessive border.

Fixes issue CLIENT-66
Fixes issue CLIENT-2

Change-Id: I450fe4a6060988843caad0b22a1ac2ffad9e4c28
Depends-On: If58397d37b89c8fe6e099c47fb4d26fdc4589b49
Reviewed-on: http://gerrit.dmdirc.com/1630
Automatic-Compile: DMDirc Local Commits <dmdirc@googlemail.com>
Reviewed-by: Chris Smith <chris@dmdirc.com>

Fixes issue CLIENT-114

Change-Id: Ib96d072df16e86038005a76550acebfa6db3fb48
Reviewed-on: http://gerrit.dmdirc.com/1626
Reviewed-by: Greg Holmes <greg@dmdirc.com>
Automatic-Compile: DMDirc Local Commits <dmdirc@googlemail.com>

Tidy up sevreal classes
Add checkboxmenu item
Change menu bar so plugins can add items.
Add update ID to notifications plugin

Fixes issue CLIENT-80

Change-Id: I289bbf7bcad6d9c528eb353dc8cf49ad48954a65
Reviewed-on: http://gerrit.dmdirc.com/1559
Reviewed-by: Chris Smith <chris@dmdirc.com>
Automatic-Compile: Chris Smith <chris@dmdirc.com>

Fixes issue 4420

Change-Id: I5c86c18cfa048f19f1e08c8bccec60ac08e30f86
Reviewed-on: http://gerrit.dmdirc.com/1470
Automatic-Compile: DMDirc Local Commits <dmdirc@googlemail.com>
Reviewed-by: Shane Mc Cormack <shane@dmdirc.com>

Fixes issue 4293

Change-Id: Iea114b15a41cc1c3987ad2ac9b55dbd64c2a4b92
Reviewed-on: http://gerrit.dmdirc.com/1413
Reviewed-by: Chris Smith <chris@dmdirc.com>
Automatic-Compile: Gregory Holmes <greg@dmdirc.com>

Change-Id: If3af485990d39059f6df3831e70081e9c2323066
Reviewed-on: http://gerrit.dmdirc.com/882
Automatic-Compile: DMDirc Local Commits <dmdirc@googlemail.com>
Reviewed-by: Shane Mc Cormack <shane@dmdirc.com>
Reviewed-by: Chris Smith <chris@dmdirc.com>

Change-Id: Iff9ef896ac984ced5e1869dc59c1f639ca0c9f6f
Reviewed-on: http://gerrit.dmdirc.com/681
Reviewed-by: Shane Mc Cormack <shane@dmdirc.com>
Automatic-Compile: DMDirc Local Commits <dmdirc@googlemail.com>

Change-Id: I86b856491379b78eeb8166bcc6a2f0b5e5ebc039
Reviewed-on: http://gerrit.dmdirc.com/578
Automatic-Compile: Gregory Holmes <greboid@dmdirc.com>
Reviewed-by: Chris Smith <chris@dmdirc.com>

Change-Id: I70616e8749f066af6b24ab0a934e94def37671e6
Reviewed-on: http://gerrit.dmdirc.com/415
Reviewed-by: Chris Smith <chris@dmdirc.com>
Tested-by: Chris Smith <chris@dmdirc.com>

Change-Id: Ibb88c32e235a22cccef74ddf78e74761a45f5fca
Reviewed-on: http://gerrit.dmdirc.com/400
Reviewed-by: Shane Mc Cormack <shane@dmdirc.com>
Tested-by: Gregory Holmes <greboid@dmdirc.com>

Change-Id: I6d1df95ffad12d9260165be667036b3e54b20fd4
Reviewed-on: http://gerrit.dmdirc.com/349
Reviewed-by: Chris Smith <chris@dmdirc.com>
Tested-by: Chris Smith <chris@dmdirc.com>

Fixes issue 3419: Unable to execute thread. — addons.ui_swing.framemanager.windowmenu.WindowMenuScroller.<init>(WindowMenuScroller.java:59)

Change-Id: I93190266e54bcc4770554a73bb42ab8b71c5fbf1
Reviewed-on: http://gerrit.dmdirc.com/296
Tested-by: Gregory Holmes <greboid@dmdirc.com>
Reviewed-by: Shane Mc Cormack <shane@dmdirc.com>