HAVING clause in SphinxQL SELECT statements.
Group n-best option for SphinxQL SELECT statements.
Basic TSV source support (for what's documented).
Template index configuration class added.
Adding Sphinx 2.2.1 index settings.

rlp_context, ondisk_attrs
Adding Sphinx 2.2.1 indexer settings.

rlp_root, rlp_environment, rlp_max_batch_size, rlp_max_batch_docs
Adding Sphinx 2.2.1 searchd settings.

shutdown_timeout, ondisk_attrs_default