Upgrade Akka 2.4.3
Upgrade Akka 2.4.3

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