fix TSYSDEVSPRT-280
fix TSYSDEVSPRT-280
Merge pull request #3 from jayalalk/master

fixing the defect ESBJAVA-3031
LB-142
Update BlockingMsgSender.java

Fix for Null pointer Exception thrown invoking services with Blocking Message Sender if the response contains a Empty Envelope.
Update CalloutMediator.java

Fix for Null pointer Exception thrown in callout mediator while handling non existing Exception.
Merge pull request #5 from dhanuka84/master

LB-142 and LB-95 resolved in this merge
Merge pull request #6 from djkevincr/master

Fixes for jira issue ESBJAVA-3068 and ESBJAVA-3069
Merge pull request #13 from wso2-dev/master

Synchronizing the wso2-dev and wso2 repo