Don't ask Main for the config directory.
Remove getMain() from Main.
Everything that needs a main now either gets given it, or asks something else.
Unfortunately, a few more dependencies on the static IdentityManager.getIdentityManager()
were introduced, but they can be tackled separately.
Fix unit tests for the above.

Depends-On: I9e42ac7f74453b739209a681d0a31f50c1be2a04
Change-Id: Ib5a9fdea5a2e25d5471d0b849f4f65fa0286d1f8
Reviewed-on: http://gerrit.dmdirc.com/2521
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Greg Holmes <greg@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: Ice72ddf69bba77d321f6037f45793b67847d71b3
Reviewed-on: http://gerrit.dmdirc.com/2284
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Greg Holmes <greg@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: 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>

See corresponding core change for full details.

Change-Id: I6ddf872aa7073dd9306a17f6ae03c462a5898296
Reviewed-on: http://gerrit.dmdirc.com/1143
Automatic-Compile: Gregory Holmes <greg@dmdirc.com>
Reviewed-by: Gregory Holmes <greg@dmdirc.com>

Fixes issue 3546

Change-Id: Ie5b334869fe0fd5f90d049393e51007f77f2c89a
Reviewed-on: http://gerrit.dmdirc.com/544
Automatic-Compile: Gregory Holmes <greboid@dmdirc.com>
Reviewed-by: Gregory Holmes <greboid@dmdirc.com>

Change-Id: Ie8fe55536d320ab50472d8090b63c701cc4b12ba
Reviewed-on: http://gerrit.dmdirc.com/230
Reviewed-by: Shane Mc Cormack <shane@dmdirc.com>
Tested-by: Shane Mc Cormack <shane@dmdirc.com>