ISPN-4258 Re-enabled test
ISPN-4258 Avoid unnecessary synchronization during IndexWriter handling
ISPN-4644 Introduced new command to handle index streaming operations
ISPN-4644 Execute only one flush after the end of the job
ISPN-4012 Re-enabled other equivalent MassIndexing tests
ISPN-4654 AND over range queries does not work (indexless query)

* Some subscription gets mistakenly suspended because the Predicate's equal and hashCode do not take the attribute into account

* also fix equals() and hashCode() of RegexCondition
ISPN-3807 Cache the result of HQL query parser to be reused
ISPN-4670 Matcher performance test
ISPN-4670 Matcher refactoring
ISPN-4670 Replace Iterator of AttributeNode.children with array for faster iteration
ISPN-4670 Do not unsubscribe if executing in a single filter context
ISPN-4670 Avoid hashmap in MatcherEvalContext
ISPN-4670 Avoid double lookup in known types hashmap
ISPN-4670 Replace map of unordered predicates with list
ISPN-4670 No longer keep track of suspended PredicateNodes in MatcherEvalContext
ISPN-4670 Move isRepeated flag from PredicateNode to Predicate

This is the first step to simplify and optimize subscriptions
IntervalTree unit test
Move PredicateIndex.PredicateSubscriptions to Predicates.Subscription
ISPN-4670 Remove unused retur type of BENode.handleChildValue
wip