Refactoring jms expiration test cases as per peer reviews
Refactoring JMS expiration test cases as per peer reviews
remove unused imports
Add integration tests and fix received message writing to a file in test suit and sending correct number of messages in a multi-threaded environment.
Merge pull request #52 from akalankapagoda/Integration_tests

Add integration tests and fix received message writing to a file in test suit
Merge pull request #51 from hastef88/expiration_test_cases_refactor

Expiration test cases refactor
Code style issues resolved. Java docs added.
copyright updated.