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

Change-Id: I505dd85becbfe5e5fd611a69cee7678d84fb249f
Reviewed-on: http://gerrit.dmdirc.com/3775
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Greg Holmes <greg@dmdirc.com>

Change-Id: I4e9a1bff765c0bd62caf284a028932cd8461632c
Reviewed-on: http://gerrit.dmdirc.com/3772
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Chris Smith <chris@dmdirc.com>

Change-Id: I2cf35d5859c85c3609002f126241536fda5d588e
Depends-On: I2baa7e986ded54930093768238ed24cab8cf4bf7
Reviewed-on: http://gerrit.dmdirc.com/3770
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Chris Smith <chris@dmdirc.com>

Change-Id: Ida9e3a33fe96b45b0bc35259ef8cbc4b36f7bf55
Reviewed-on: http://gerrit.dmdirc.com/3722
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Chris Smith <chris@dmdirc.com>

Change-Id: I83d319c563b2862caf7278a1d60669cfff5242ce
Reviewed-on: http://gerrit.dmdirc.com/3501
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Chris Smith <chris@dmdirc.com>

Change-Id: I5e1e8a6eabd136666775666144e67664edccc84c
Reviewed-on: http://gerrit.dmdirc.com/3164
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Chris Smith <chris@dmdirc.com>

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

Change-Id: I30199c4047226537fbfb62de5aab1f228c81d74e
Reviewed-on: http://gerrit.dmdirc.com/3005
Reviewed-by: Chris Smith <chris@dmdirc.com>
Automatic-Compile: DMDirc Build Manager

Change-Id: I31c1db9d85e332103c6ce92ef69283f038451cb6
Reviewed-on: http://gerrit.dmdirc.com/3003
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Chris Smith <chris@dmdirc.com>

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

Change-Id: I428d39dedd0380a783bb612ab6ff4176302eb157
Reviewed-on: http://gerrit.dmdirc.com/2884
Reviewed-by: Chris Smith <chris@dmdirc.com>
Automatic-Compile: DMDirc Build Manager

Change-Id: Ifac49c2ee45e8b518c33eb4491a80513fdd3e76f
Reviewed-on: http://gerrit.dmdirc.com/2836
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Greg Holmes <greg@dmdirc.com>

Change-Id: I5f140e89bfb8c57804d0a500bbc9f5c18555b0e9
Depends-On: Iaabedda2fa68c4e5562bb069dcdf15fa0c3beeea
Reviewed-on: http://gerrit.dmdirc.com/2767
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>

Change-Id: I5daa7330e62f3d3c04d2c3250ecf3ac2ca9320b3
Reviewed-on: http://gerrit.dmdirc.com/2461
Reviewed-by: Chris Smith <chris@dmdirc.com>
Automatic-Compile: DMDirc Build Manager