Fixes typo
Added link to the ZeroMQ website.
Hub: move debug helpers into separate module
Don't read from the socket more than requested. This prevents stalling issues (fixes celery/celery#1847).
Merge pull request #314 from celery/fix-celery-1847

Don't read from the socket more than requested. This prevents stalling i...
Merge branch 'master' of github.com:celery/kombu
raise Empty() rather than returning null message
Adds Sam Stavinoha to AUTHORS
Py3.4: logging._levelNames was removed.  Closes #311
Merge pull request #309 from Bystroushaak/master

Added link to the ZeroMQ website.
Bumps version to 3.0.12 and updates Changelog
Support for coveralls
Sets release date
Merge branch 'master' into 3.0