Combine loggers and reduce logging, fix #2
Merge remote-tracking branch 'upstream/master' into reduce_logging

Conflicts:
	CHANGES.txt
	src/collective/zamqp/server.py
Merge pull request #6 from saily/reduce_logging

Combine loggers and reduce logging [Fixes #2]
Refactor logging; Log age for handled messages
Fix to test message durability during disconnectino period instead of producer durability (which is only used to set the default for message durability)
Merge pull request #8 from collective/datakurre-logging

Refactor logging; Log age for messages being handled
Update changelog
Preparing release 0.12.0
Back to development: 0.12.1