Merge pull request #39 from shlasouski/master

Add support for asynchronous sending messages (Amazon AWS)
When encountering an exception during connection.close(), make a best effort to clean up before
throwing the error.
Revised test.  Deleting a topic with active producers and consumers correctly has undetermined behavior.
Close things before deleting.
Updated dependencies to something a little more modern.
Updated versions.
Fixed swallowed InterruptException.
Merge branch 'master' of github.com:skyscreamer/nevado into fix_test_topics
Merge pull request #41 from skyscreamer/fix_test_topics

Topic test, interrupt, and pom.xml
Fixed jackson version
Merge pull request #42 from skyscreamer/fix_test_topics

Fixed jackson version
Make timer test more coarse to avoid race conditions with Cloudbees
Merge pull request #43 from skyscreamer/fix_test_topics

Make timer test more coarse to avoid race conditions with Cloudbees
Update CHANGELOG.md
Updated performance test output
Merge pull request #44 from skyscreamer/fix_test_topics

Updated performance test output
Winding back versions for typica compatibility.
Callibrate version numbers in pom.xml.
Merge pull request #45 from skyscreamer/fix_test_topics

Fix test topics
Update web pages.
Deprecate Typica.
Update CHANGELOG.md
Update CHANGELOG.md