If no options are specified with the clear cache api then all caches should be cleared.
Closes #2886
fix memory computation for int field data
Field data: Try to load short values as byte values and load int values as short or byte values to reduce the size they take in memory.
CacheTests test fix.
Add toString() for FilterBuilders
Closes #2887.
Expose field level field data statistics
closes #2889
Clear Cache API: Streamline option names
closes #2890
Add more dynamic settings validation
Optimization in fielddata cache where ordinals are used instead of flat arrays when number of unique values is low
Added missing support for lat, lats, lon, lons for doc notation in scripts