Log Message:
devel/ruby-cucumber-core: update to 3.1.0

## \ 
[3.0.0](https://github.com/cucumber/cucumber-ruby-core/compare/v3.0.0.pre.2...v3.0.0) \ 
(2017-09-27)

### Changed

* Step#name renamed to #text \ 
([#137](https://github.com/cucumber/cucumber-ruby-core/pull/137) \ 
[@olleolleolle](https://github.com/olleolleolle))
* Use past tense in event names (`xStarting` -> `xStarted`) (see \ 
[cucumber/cucumber-ruby#1166](https://github.com/cucumber/cucumber-ruby/issues/1166) \ 
@brasmusson).

### Added

* Do not create test cases for scenarios with no steps \ 
([#144](https://github.com/cucumber/cucumber-ruby-core/pull/144) @brasmusson)
* Handle selective strict settings \ 
([#143](https://github.com/cucumber/cucumber-ruby-core/pull/143) @brasmusson)

### Fixed

* Fix DataTable's Location to be aware of all of its lines \ 
([#142](https://github.com/cucumber/cucumber-ruby-core/pull/142) @botandrose)

### Improved

* As per [#251](https://github.com/cucumber/cucumber/issues/251): renamed \ 
History.md to CHANGELOG.md, added contributing message at beginning, and misc \ 
formatting. ([#145](https://github.com/cucumber/cucumber-ruby-core/pull/145) \ 
[jaysonesmith](https://github.com/jaysonesmith))

## \ 
[3.0.0.pre.2](https://github.com/cucumber/cucumber-ruby-core/compare/v2.0.0...3.0.0.pre.2) \ 
(2017-07-26)

### New Features

* Add a flaky result type to be used for flaky scenarios \ 
([#141](https://github.com/cucumber/cucumber-ruby-core/pull/141), \ 
[cucumber/cucumber-ruby#1044](https://github.com/cucumber/cucumber-ruby/issues/1044) \ 
@brasmusson)
* Make the Summary report able to say if the total result is ok \ 
([#140](https://github.com/cucumber/cucumber-ruby-core/pull/140) @brasmusson)
* Replay previous events to new subscribers \ 
([#136](https://github.com/cucumber/cucumber-ruby-core/pull/136) @mattwynne)
* Ruby 2.4.0 compatibility \ 
([#120](https://github.com/cucumber/cucumber-ruby-core/pull/120) @junaruga)
* Use tag expressions \ 
([#116](https://github.com/cucumber/cucumber-ruby-core/pull/116) @brasmusson)
* Access example table row data by param name \ 
([#118](https://github.com/cucumber/cucumber-ruby-core/pull/118) @enkessler)

### Bugfixes

N/A

### Removed Features

N/A

### Refactoring

* Travis: jruby-9.1.10.0 \ 
([#130](https://github.com/cucumber/cucumber-ruby-core/pull/130) @olleolleolle)
* Travis: jruby-9.1.12.0 \ 
([#133](https://github.com/cucumber/cucumber-ruby-core/pull/132) @olleolleolle)