Lots of typo fixes.

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>
Update submodules: parser (new commits), plugins (new commits)

parser:
    fee3a70 Chris Smith <chris@dmdirc.com>
            Typo fix.

            Gerrit: http://gerrit.dmdirc.com/3741

plugins:
    8b53138 Chris Smith <chris@dmdirc.com>
            Typo fix.

            Depends-On: Ic2a1b97aa44e9168bae4a1e28941208e7711bb46
            Gerrit: http://gerrit.dmdirc.com/3742

Change-Id: I24cabb2ee2813519dd708500581adc3260cd449b