Removed "Legacy" from QueryAdapter namespace.
Moved overrride query feature/Query generation to base class.
Added minify/deminify to QueryAdapter.
Updated UrlQueryHelper to use Query object instead of terms array.
Use QueryAdapter for minification.
Eliminated Params::getSearchTerms.
Now query is only exposed in object format.
Eliminated one more instance of Params::getSearchTerms.
Don't drop status code when rewriting exception.