Comment 0 for bug 1685935

On a newly installed lxc, I cannot make deb easily because of missing dependencies.

...
    restore_signals, start_new_session)
  File "/usr/lib/python3.5/subprocess.py", line 1282, in _execute_child
    raise child_exception_type(errno_num, err_msg)
FileNotFoundError: [Errno 2] No such file or directory: 'debuild'

We should probably aid this process a bit for new developers trying to package their own deb.