[TEST] fixed typo s/mising/missing
[TEST] added missing put warmer body
[TEST] added ability to filter REST test sections to run

Added `tests.rest.section` parameter that allows to filter the test sections that get executed via regex (case insensitive)
Remove the in memory buffer Lucene store/directory
closes #4994
fix docs to reflect removal of byte buffer memory
Add [0.90.11] version as a constant
Added `cross_fields` mode to multi_match query

`cross_fields` attemps to treat fields with the same analysis
configuration as a single field and uses maximum score promotion or
combination of the scores based depending on the `use_dis_max` setting.
By default scores are combined.

Relates to #2959