HSEARCH-1510 Most modules don't require SLF4J anymore for testing
HSEARCH-1510 Align SLF4J managed version with the one needed by our Avro dependency
HSEARCH-1568 Exclude dependency to lucene-sandbox
HSEARCH-1567 Minor dependency updates: JBoss Marshalling, Remoting, XNIO, CheckStyle
HSEARCH-1567 Update Maven plugin versions
HSEARCH-1566 Update to JUnit 4.11