* .mailmap, gnu/local.mk, gnu/packages/emacs-xyz.scm, gnu/packages/emacs.scm, gnu/packages/fonts.scm, gnu/packages/fpga.scm, gnu/packages/lean.scm, gnu/packages/maths.scm, gnu/packages/pulseaudio.scm: Update my email address. * build-aux/git-authenticate.scm: Update my Savannah handle.