Merge pull request logstash-plugins#85 from kaisecheng/remove-ruby-ex… …ecution-engine fix bump version

[DOC] Reorder configuration options and bump to v3.5.1 (logstash-plug… …ins#79) * Reorder options * Bump to v3.5.1 * Update CHANGELOG.md

Update README.md 

Merge pull request logstash-plugins#71 from karenzone/70-datatype Correct data_type label in docs

fix broken tests on renaming feature 

set default_codec doc attribute 

bump to 3.2.0 

[skip ci] update gemspec summary 

Pin redis dep to 3.x.x since 4.x requires ruby 2+ syntax Fixes logstash-plugins#59

Version bump For elastic/logstash#7993 [ci skip]