Updated list of available modules
Update README.md
INTEXT-81 Fixing bug in decoding message streams
* adding a null check on the key decoder

https://jira.springsource.org/browse/INTEXT-81
INTEXT-81 Add unit tests
Merge pull request #52 from bellwethr/master

* bellwethr-master:
  INTEXT-81 Add unit tests
  INTEXT-81 Fixing bug in decoding message streams * adding a null check on the key decoder
INTEXT-65 Add JGroups Extension
Merge pull request #43 from kcrimson/master

* kcrimson-master:
  INTEXT-65 Add JGroups Extension
INTEXT-83 Update to Kafka 0.8.0-beta1
Merge pull request #55 from ghillert/INTEXT-83

INTEXT-83 Update to Kafka 0.8.0-beta1