- Cut DeletePercolatorTypeTests and TTLPercolatorTests over to the AbstractIntegrationTest.
- Added TestCluster#getInstances(Class) method.
fixed compile error
Changed SimpleBlocksTests and CustomHighlighterSearchTests to use AbstractIntegrationTest
Cut over NoMasterNodeTests to AbstractIntegrationTest
Removed AbstractIntegrationTest#updateClusterSettings
Removed usage AbstractIntegrationTest#updateClusterSettings
fix javadoc