[Bug 1509404] [NEW] snappy build does not allow abstract sockets with 'listen-stream'

Public bug reported: systemd socket activation (http://www.freedesktop.org/software/systemd/man/systemd.socket.html) was added to the service yaml some time ago. ListenStream= in the systemd unit supports both file-based sockets (start with '/') and abstract sockets (start with '@'). However,

[Bug 1509404] [NEW] snappy build does not allow abstract sockets with 'listen-stream'

Public bug reported: systemd socket activation (http://www.freedesktop.org/software/systemd/man/systemd.socket.html) was added to the service yaml some time ago. ListenStream= in the systemd unit supports both file-based sockets (start with '/') and abstract sockets (start with '@'). However,