Cat: Add descs for rest of actions.
Fix _all boosting.

_all boosting used to rely on the fact that the TokenStream doesn't eagerly
consume the input java.io.Reader. This fixes the issue by using binary search
in order to find the right boost given a token's start offset.

Close #4315
[DOCS] Fix outdated link to wonderdog in community integration
[Docs] Document which encoding should be used in order to make sense of the offsets returned by the term vectors API.

Close #4363
Apply slop correctly if phrase query is wrapped in a filtered query.

If a phrase query is wrapped in a filtered query due to type filtering
slop was not applied correctly. Also if the default field required a
type filter the filter was not applied.

Closes #4356
Optimize dynamic mapping updates on master by processing latest one per index/node
Instead of processing all the bulk of update mappings we have per index/node, we can only update the last ordered one out of those (cause they are incremented on the node/index level). This will improve the processing time of an index that have large updates of mappings.
closes #4373
update the test to use the same API as 0.90
so backports will be simpler for now
Fixed local option explanation in TESTING readme
added runner for yaml test suites
added runner for yaml test suites
added runner for yaml test suites
added runner for yaml test suites
docs
docs
docs