Update submodules: parser (new commits)

parser:
    44bad31 Chris Smith <chris@dmdirc.com>
            Make the prefix mode manager private.

            Pass it in when needed.

            Gerrit: http://gerrit.dmdirc.com/3980

Change-Id: I686339a64154aa41eca0210c087b442fca56511e
Update submodules: parser (new commits)

parser:
    d5d2e2e Chris Smith <chris@dmdirc.com>
            Make user mode manager private.

            Gerrit: http://gerrit.dmdirc.com/3982

Change-Id: Iacfbb3137571ca6bacbff1363f7e9363d4af5aad
Update submodules: parser (new commits)

parser:
    85aed87 Chris Smith <chris@dmdirc.com>
            Start moving some constants into their own class.

            Gerrit: http://gerrit.dmdirc.com/3981

Change-Id: Ie1dd6ba5afde83a00b17fa2030753168768e581b