Use only one shard in SuggestSearchTests#testPhraseBoundaryCases to get reliable statistics
Update .gitignore to ignore the execution hints files
add CBOR data format support
Restore streamInput() performance over PagedBytesReference.

Closes #5589
Add suggest stats

closes #4032
add human readable start_time and refresh_interval

closes #5280
[TEST] Removed skip regex sections as all the runners implemented the feature