More config & offset send to callback
- failedMessageTimeout
- noMessagesTiemout
- logger as dummy object (or provide realone via config)
- add new offset to output callback
Merge pull request #8 from hans-d/dev-hd1

More config & offset send to callback
Documentation, reformat and small refactor
- renamed Zookeeper and consumeTopic(), but kept references for backward compatibility
- removed global vars
- zookeeper interactions in a central place
updating nodejs version, to prevent failing tests
Merge pull request #9 from hans-d/dev-hd1

Documentation, reformat and small refactor
update version
Merge branch 'dev-hd1'