* Re-enable filter editor suggestions
* Use search instead of include
* Escape query
* Show spinner
* Use include rather than search
* Add additional regex and explanation for parameters
* Add suggestions API test
* Make sure test actually runs
* Use send instead of query
* Fix suggestions API test
Fixes#13563
Brings additional attention to the fact that Kuery uses implicit ANDs whereas Lucene query syntax uses implicit ORs, which could confuse users if they're not aware of the difference.
This overhaul of the docs structure puts Kibana's documentation more
inline with the structure that is used in Elasticsearch. This will help
us better organize the docs going forward as more docs are added.
This also includes a few necessary content changes for 5.0.
