Project setup

we have this runner  [StepRunner](https://github.com/kenshoo/audience-populator/blob/project-setup/cucumber-tests/src/test/java/com/kenshoo/audiencepopulator/cucumber/StepRunner.java). 

this runner invoke all the feature file of cucu. 

can you send me example of how can i invoke it  in separate phase (under cucu task)? 
also what about [gradle-cucumber-plugin](https://github.com/samueltbrown/gradle-cucumber-plugin)