Mass singleton removal spree. Minor tidying in edited classes.
This tidying introduces a DialogManager class which ensures only a
single instance of a dialog can exist at any one time. This will be
expanded in the future to support management of all dialogs.
Change-Id: I506d7dde623628e38fddcd5f81221d9f2cc832ca
Reviewed-on: http://gerrit.dmdirc.com/2246
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Chris Smith <chris@dmdirc.com>
Foundation work for Action/Alias dialogs to allow control code input.
Issue CLIENT-53
Change-Id: I2a9cc50577050120357d263f2471e8137c78eaae
Reviewed-on: http://gerrit.dmdirc.com/1535
Automatic-Compile: Greg Holmes <greg@dmdirc.com>
Reviewed-by: Greg Holmes <greg@dmdirc.com>