[JENKINS-48775] HACKY HACKY FIX
[JENKINS-48775] HACKY HACKY FIX

- Cheat and try a HTTP url if the proxy has never been accessed with a HTTP url before attempting a HTTPS url

Jochen-A-Fuerbacher/jenkins,damianszczepanik/jenkins,patbos/jenkins,viqueen/jenkins,v1v/jenkins,Jochen-A-Fuerbacher/jenkins,sathiya-mit/jenkins,oleg-nenashev/jenkins,MarkEWaite/jenkins,stephenc/jenkins,godfath3r/jenkins,stephenc/jenkins,sathiya-mit/jenkins,sathiya-mit/jenkins,Jochen-A-Fuerbacher/jenkins,oleg-nenashev/jenkins,godfath3r/jenkins,ikedam/jenkins,ikedam/jenkins,stephenc/jenkins,stephenc/jenkins,viqueen/jenkins,MarkEWaite/jenkins,v1v/jenkins,rsandell/jenkins,jenkinsci/jenkins,oleg-nenashev/jenkins,ikedam/jenkins,DanielWeber/jenkins,rsandell/jenkins,stephenc/jenkins,daniel-beck/jenkins,pjanouse/jenkins,Vlatombe/jenkins,Jochen-A-Fuerbacher/jenkins,jenkinsci/jenkins,bkmeneguello/jenkins,Vlatombe/jenkins,rsandell/jenkins,daniel-beck/jenkins,DanielWeber/jenkins,daniel-beck/jenkins,bkmeneguello/jenkins,jenkinsci/jenkins,v1v/jenkins,v1v/jenkins,oleg-nenashev/jenkins,oleg-nenashev/jenkins,pjanouse/jenkins,pjanouse/jenkins,DanielWeber/jenkins,rsandell/jenkins,Jochen-A-Fuerbacher/jenkins,godfath3r/jenkins,Vlatombe/jenkins,sathiya-mit/jenkins,Jochen-A-Fuerbacher/jenkins,MarkEWaite/jenkins,jenkinsci/jenkins,batmat/jenkins,pjanouse/jenkins,batmat/jenkins,rsandell/jenkins,MarkEWaite/jenkins,rsandell/jenkins,patbos/jenkins,v1v/jenkins,daniel-beck/jenkins,bkmeneguello/jenkins,DanielWeber/jenkins,sathiya-mit/jenkins,DanielWeber/jenkins,Vlatombe/jenkins,godfath3r/jenkins,MarkEWaite/jenkins,Vlatombe/jenkins,patbos/jenkins,rsandell/jenkins,godfath3r/jenkins,Vlatombe/jenkins,viqueen/jenkins,bkmeneguello/jenkins,damianszczepanik/jenkins,recena/jenkins,daniel-beck/jenkins,jenkinsci/jenkins,ikedam/jenkins,patbos/jenkins,recena/jenkins,damianszczepanik/jenkins,MarkEWaite/jenkins,daniel-beck/jenkins,MarkEWaite/jenkins,damianszczepanik/jenkins,stephenc/jenkins,recena/jenkins,bkmeneguello/jenkins,recena/jenkins,viqueen/jenkins,patbos/jenkins,daniel-beck/jenkins,batmat/jenkins,rsandell/jenkins,bkmeneguello/jenkins,jenkinsci/jenkins,damianszczepanik/jenkins,damianszczepanik/jenkins,batmat/jenkins,godfath3r/jenkins,jenkinsci/jenkins,pjanouse/jenkins,DanielWeber/jenkins,oleg-nenashev/jenkins,ikedam/jenkins,patbos/jenkins,oleg-nenashev/jenkins,Vlatombe/jenkins,recena/jenkins,jenkinsci/jenkins,godfath3r/jenkins,pjanouse/jenkins,bkmeneguello/jenkins,pjanouse/jenkins,sathiya-mit/jenkins,ikedam/jenkins,ikedam/jenkins,recena/jenkins,patbos/jenkins,viqueen/jenkins,Jochen-A-Fuerbacher/jenkins,v1v/jenkins,batmat/jenkins,DanielWeber/jenkins,batmat/jenkins,damianszczepanik/jenkins,damianszczepanik/jenkins,ikedam/jenkins,batmat/jenkins,MarkEWaite/jenkins,daniel-beck/jenkins,v1v/jenkins,recena/jenkins,stephenc/jenkins,sathiya-mit/jenkins,viqueen/jenkins,viqueen/jenkins