Merge pull request #5 from tvpavan/master

Fix for Async callback issue
added option zkPath for custom zookeeper path for Kafka
cleaner integration of zkPath option
missing options fix, tests passing
Merge pull request #7 from munimkazia/master

Added zkPath option for custom zookeeper path for kafka
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
update/correct readme example
missing that for log
config.zkConfig -> zkConfig
missing callback
typo
Merge pull request #10 from hans-d/dev-hd1

update version, fixing some bugs
fix connection errors
Merge pull request #12 from hans-d/fix-hd

fix connection errors / add consumer options
update package version