Improve spooled test
Merge pull request #719 from aldur/spooler-priority-test

Improve spooler tests
Don't spin if we exhaust the async worker pool.
Fix exhaustion code when using multiple sockets.
Make it compile on more stringent compilers.
Merge pull request #723 from vine/gevent_dont_spin_on_async_exhaustion

Don't spin if we exhaust the async worker pool.
ensure ABI compatibility
added Adriano to CONTRIBUTORS
fix check_emperor issue while using docker_plugin without docker_socket
Merge pull request #724 from aldur/check_emperor_docker

fix check_emperor issue while using docker_plugin without docker_socket
fixed glob support in emperor
fixed useless debug
fixed #701
prototyping Zeus mode
more robust asyncio
request buffer_size is now 64bit (except for uwsgi protocol)
support old plugins ABI
getting rid of plugins still using ->pktsize
Merge remote-tracking branch 'upstream/master' into spooler-tests

Conflicts:
	t/python/spooler-handler.py
	t/python/spooler_decorators/spooler_decorator_test.ini
	t/python/spooler_handler.py
	t/python/spooler_priority/spooler_priority_handler.py
	t/python/spooler_priority/spooler_priority_test.py