Replace "Cryptic passwords" and add reference to xkcd (#1194)
Replace "Cryptic passwords" and add reference to xkcd (#1194)

Signed-off-by: Martin Hoefling <29039b829b743fcc4bc3f4108330edfe0ed36a8a@gmx.de>
gopasspw/gopass,gopasspw/gopass,franciscocpg/gopass,justwatchcom/gopass