================
- Removed the ``cacheSize`` option in favor of 8 specific options to configure
every aspect of the query caches on their own.
[hannosch]
- Added new ``spellcheckField`` option, to configure the source field for the
spellcheck search component.
[hannosch]
- Removed the example ``tvrh``, ``terms`` and ``elevate`` request handlers.
[hannosch]
- Removed the example ``spell`` request handler and enabled spell checking based
on the ``default`` field for the ``search`` request handler.
[hannosch]
- Clean up solrconfig template and remove an example ``firstSearcher`` query.
[hannosch]
- Added new ``mergeFactor``, ``ramBufferSizeMB``, ``unlockOnStartup`` options.
[hannosch]