Add missing HTTP headers, close #2759
Add missing HTTP headers, close #2759

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