Upgrade to Netty 3.6.4
Upgrade to Netty 3.6.4

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