Revert to maven-specs2-plugin as it causes build to hang on
Revert to maven-specs2-plugin as it causes build to hang on

gatling/gatling,gatling/gatling,ryez/gatling,thkluge/gatling,thkluge/gatling,pwielgolaski/gatling,pwielgolaski/gatling,timve/gatling,pwielgolaski/gatling,MykolaB/gatling,wiacekm/gatling,GabrielPlassard/gatling,MykolaB/gatling,GabrielPlassard/gatling,wiacekm/gatling,GabrielPlassard/gatling,gatling/gatling,pwielgolaski/gatling,wiacekm/gatling,wiacekm/gatling,ryez/gatling,ryez/gatling,gatling/gatling,timve/gatling,MykolaB/gatling,timve/gatling,thkluge/gatling,thkluge/gatling,MykolaB/gatling,ryez/gatling,GabrielPlassard/gatling,gatling/gatling,timve/gatling,wiacekm/gatling