Use DISPLAY instead of the hostname as the token
Use DISPLAY instead of the hostname as the token

In the bacon backend, the DISPLAY environment variable as uniqueness token
guarantees that launching two different instances of an application on the
same machine but displayed on two different targets succeeds. This overcomes
a limitation in the current BaconMessageConnection code.

GNOME/unique,GNOME/unique,GNOME/unique,Distrotech/libunique,Distrotech/libunique,Distrotech/libunique