Update AbstractSQSConnector.java

Fix NullPointerException that can happen during Tomcat shutdown.
Update AbstractSQSConnector.java

Fixed typo.
Updating documentation for 1.2.2 release.
[maven-release-plugin] prepare release nevado-1.2.2
[maven-release-plugin] prepare for next development iteration
Added abilty to specify suffix for temporary queue and topic.
Made sure to close connections left open during tests for better cleanup.
Change signature of listTemporaryQueues and listTemporaryTopics
Delete unused temporary queues and topics
Added tests for deleting unused topics and queues
Fixed NevadoQueue objects returned by listTemporaryQueues
Merge pull request #55 from skyscreamer/issue_54

Allow for better maintenance of temporary queues and topics
Increased wait to decrease flakiness during async tests
Improve amount of time for async mode
Updated versions
[maven-release-plugin] prepare release nevado-1.2.3
[maven-release-plugin] prepare for next development iteration
Update pom.xml
Fixed issue #59
Fixed issue #58
Fixed issue #56
Merge pull request #60 from skyscreamer/fix_temp_queues

Fix temp queues