Update submodules: parser (new commits)

parser:
    254baff Chris Smith <chris@dmdirc.com>
            PMD fixes

            Gerrit: http://gerrit.dmdirc.com/3937

Change-Id: Id182d5e66b2eabc9bd420e4335413ac326cc1ac7
Update submodules: util (new commits)

util:
    fb6da49 Chris Smith <chris@dmdirc.com>
            PMD fixes

            Gerrit: http://gerrit.dmdirc.com/3938

Change-Id: I6910127c9ae7b69d9de21b13f8ee52b038913d64
Enable PMD in gradle + apply fixes.

Change-Id: I3665cac8af833da793ca418953d934cc3a333459
Depends-On: I348b37a14097439f8a56b0a671794410e46201ca
Depends-On: Ifc4aa601de14ca2526646f499f60329ed7c5935e
Reviewed-on: http://gerrit.dmdirc.com/3939
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Greg Holmes <greg@dmdirc.com>