Merge pull request #19 from wso2-dev/master

sucessfully commited the changes
Timestamp : Tue Jun 03 08:04:01 IST 2014
https://wso2.org/jenkins-pr-builder/job/wso2-synapse/58/
Fixing possible NPE. https://wso2.org/jira/browse/ESBJAVA-3144
Merge pull request #43 from lasanthafdo/master

Fixing possible NPE. https://wso2.org/jira/browse/ESBJAVA-3144
updating the cache mediator to handle concurrent requests.
Change a misleading warning log

Mentioned logs are printed if the state=REQUEST_DONE which means after request is sent.
Merge pull request #20 from udaraliyanage/master

sucessfully commited the changes
Timestamp : Mon Jun 16 14:39:04 IST 2014
https://wso2.org/jenkins-pr-builder/job/wso2-synapse/123/
Fixing some major bugs in ntask int.
Merge pull request #44 from abeykoon/master

updating the cache mediator to handle concurrent requests.  Build is success
Merge remote-tracking branch 'upstream/master'
Merge pull request #45 from iuj/master

Fixing some major bugs in ntask int.
Merge pull request #46 from dushansachinda/master

fix issue reported {https://wso2.org/jira/browse/ESBJAVA-3165}