Please backport restbed 4.0~dfsg1-4 (universe) from zesty

[Graham Inggs]

Please backport restbed 4.0~dfsg1-4 (universe) from zesty to xenial, yakkety.

Reason for the backport:
========================
Needed for GNU Ring backport (LP: #1644197)

Testing:
========
Mark off items in the checklist [X] as you test them, but please leave the checklist so that backporters can quickly evaluate the state of testing.

You can test-build the backport in your PPA with backportpackage:
$ backportpackage -u ppa:<lp username>/<ppa name> -s zesty -d xenial restbed
$ backportpackage -u ppa:<lp username>/<ppa name> -s zesty -d yakkety restbed

Backport available in my PPA:
https://launchpad.net/~ginggs/+archive/ubuntu/backports

* xenial:
[X] Package builds without modification
[ ] librestbed0-dbgsym installs cleanly and runs
[X] librestbed0 installs cleanly and runs
[X] librestbed-dev installs cleanly and runs
* yakkety:
[X] Package builds without modification
[ ] librestbed0-dbgsym installs cleanly and runs
[X] librestbed0 installs cleanly and runs
[X] librestbed-dev installs cleanly and runs

No reverse dependencies