Remove them from the Connection interface.

Returning null is bad.

Change-Id: I362e53fc9f05497f48dac4951991b79daebfdb81
Depends-On: Ide5afea6d4e7ba04cf3226f10e1ea530e1a60c10
Depends-On: Ic2a1b97aa44e9168bae4a1e28941208e7711bb46
Reviewed-on: http://gerrit.dmdirc.com/3743
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Greg Holmes <greg@dmdirc.com>

Change-Id: I06a0f4ced5eb0c8281e52a38b37a27779c5d571b
Reviewed-on: http://gerrit.dmdirc.com/3273
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Greg Holmes <greg@dmdirc.com>

Change-Id: I7e8052839daa79fa113b89fd0b8c1c892a605b73
Reviewed-on: http://gerrit.dmdirc.com/3122
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Greg Holmes <greg@dmdirc.com>

Change-Id: Icabc404bb9788e0a8609bc30111083104afd616d
Reviewed-on: http://gerrit.dmdirc.com/2988
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Chris Smith <chris@dmdirc.com>

Change-Id: Id0904867640e49e12fca5c1c7c5b9e72c78e3a1b
Reviewed-on: http://gerrit.dmdirc.com/2976
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Greg Holmes <greg@dmdirc.com>

Also allow subclasses in ActionComponentChains.

Change-Id: I90ae66664119d1306313166af920bb892a0ec69a
Reviewed-on: http://gerrit.dmdirc.com/2936
Reviewed-by: Greg Holmes <greg@dmdirc.com>
Automatic-Compile: DMDirc Build Manager

Change-Id: Id1ed05dd9f4cd7114828ef064cc8189dde2a4450
Reviewed-on: http://gerrit.dmdirc.com/2797
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Greg Holmes <greg@dmdirc.com>

Change-Id: Idf38f5027a92166daf99039de75b759d47431de1
Reviewed-on: http://gerrit.dmdirc.com/2607
Reviewed-by: Greg Holmes <greg@dmdirc.com>
Automatic-Compile: DMDirc Build Manager

Change-Id: I0d40c3ac86b9e06fad3f29bc36612b4162e54d1c
Reviewed-on: http://gerrit.dmdirc.com/2287
Reviewed-by: Chris Smith <chris@dmdirc.com>
Automatic-Compile: DMDirc Build Manager

Change-Id: I0bfd2dc61096dd9670b269463c27d9b00fd9a917
Depends-On: I6d0665e57f6e0e2ff2fb6a18742acb99010e79bf
Depends-On: Ia8de3c1a5fdc1eb9cfaa8b29a32bb3efb6d8ce6f
Reviewed-on: http://gerrit.dmdirc.com/2242
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Greg Holmes <greg@dmdirc.com>

Depends-On: Idad6fcc99ac5214efc04aa8d75ba44122ba1d697
Change-Id: I03182e7b30e1215dafebdefd4b0b9389932c487f
Reviewed-on: http://gerrit.dmdirc.com/2227
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Chris Smith <chris@dmdirc.com>

Change-Id: Ic620ba0621091e4db367c0cb136a4e13472530b8
Reviewed-on: http://gerrit.dmdirc.com/2222
Reviewed-by: Greg Holmes <greg@dmdirc.com>
Automatic-Compile: DMDirc Build Manager

Change-Id: Ifa65cc4b231ba5cdac38d832579eb6c4eb50f606
Reviewed-on: http://gerrit.dmdirc.com/2209
Reviewed-by: Greg Holmes <greg@dmdirc.com>
Automatic-Compile: DMDirc Build Manager

Change-Id: I5c8ab5daddd9b0d69b2d0b4aac619e261c80ee3d
Fixes-Issue: CLIENT-48
Reviewed-on: http://gerrit.dmdirc.com/2208
Reviewed-by: Greg Holmes <greg@dmdirc.com>
Automatic-Compile: DMDirc Build Manager