Reenable tests in LuceneDataSourceTest.java
Reenable IndexCreationTest and fix test class name
Remove tests disabled since 2012
Fix typo in method name
Fix: lucene indexes were missing after recovery

Reenable test in LuceneIndexRecoveryIT and small cleanups.
Reenable tests in UniqueIndexRecoveryTests
Reenable tests in TestRecovery.java

Various cleanup in the test class
Merge pull request #2775 from davidegrohmann/fix-recovery

Reenable and fix recovery tests