mail-client/mailnag: initial import

see http://gpo.zugaina.org/mail-client/mailnag
mail-client/mailnag: bump EAPI and use distutils-r1 elcass
mail-client/mailnag: add stable version
media-sound/rb-time-sync: new ebuild
net-misc/nxplayer: version bump
games-action/swordandsworcery: in gx86