Remove unused imports and fields
ISPN-4294 Upgrade hibernate-hql-parser/hibernate-hql-lucene to 1.0.0.CR1
ISPN-4047 Use the sort criteria provided by hql-parser instead of handling it separatelly in the query request
ISPN-4297 Digest HR auth tests fails, unable to find container
ISPN-4298 Wrap evaluateChallenge in PrivilegedAction when a client
subject has been specified (GSSAPI)
Hotrod client should report version 2.0
ISPN-3917 Implement projections for unindexed filters

Also refactor the Matcher interface and the interface for single filters (no callback)