Merge pull request #20 from bbeck/master

Move ResolvingEnsembleProvider to a new core module
branch admin -prepare release curator-extensions-1.3.0
branch admin -prepare for next development iteration
branch admin -prepare release curator-extensions-1.3.1
branch admin -prepare for next development iteration
Fix thread leak on each call to NodeDiscovery.close().
Add thread leak test.
Merge pull request #21 from bazaarvoice/ssmith-thread-leak

Fix thread leak on each call to NodeDiscovery.close().
branch admin -prepare release curator-extensions-1.3.2
branch admin -prepare for next development iteration
Update license
Merge pull request #22 from bazaarvoice/license

Update license