Update README
Update README

gocryptfs is no longer developed in gocryptfs because of the inconvenience
that you cannot mount a FUSE filesystem inside a FUSE mount

rfjakob/gocryptfs,rfjakob/gocryptfs,davesteele/gocryptfs,rfjakob/gocryptfs,davesteele/gocryptfs,rfjakob/gocryptfs,davesteele/gocryptfs