[repo test] Avoid hangs in zmq repo unit test
- interaction through the zmq event loop from a different thread is only
allowed through add_callback
- notify the background thread when the client dies with an exception so it
doesn't spin forever
Document: cubicweb-doc
Title: CubicWeb documentation
Author: Logilab
Abstract: Some base documentation for CubicWeb users and developpers
Section: Apps/Programming
Format: HTML
Index: /usr/share/doc/cubicweb-documentation/index.html
Files: /usr/share/doc/cubicweb-documentation/*.html