HSEARCH-1558 Reverting JGroups back to 3.5.0.Alpha1 due to test failures
HSEARCH-1549 Creating package org.hibernate.search.testsupport.setup and moving classes which are needed to setup Search into it.
HSEARCH-1549 Creating sub-packages under  org.hibernate.search.testsupport to structure some of the test helpers classes into categories
HSEARCH-1549 Moving the remaining general helpers into testsupport
HSEARCH-1549 Moving the helper tests under util.impl to match the location of the classes they test
HSEARCH-1549 Apply Testsuite helper updates also to the sandboxed performante tests
HSEARCH-1525 Properly escape path encoding in Properties file when using Windows style paths
HSEARCH-1551 Test in SerializationHelperTest is ineffective
HSEARCH-1499 Avoid eager iteration on values read from AtomicReader in DistanceCollector until an explicit collect()
HSEARCH-1499 Optimize structure for collection of coordinates in DistanceCollector