Added overloading to Global -> StartFileDownload
Added overloading to Global -> StartFileDownload

Allows request properties to be sent (optionally) with StartFileDownload.
jfthibert/sagetv,jason-bean/sagetv,JustFred51/sagetv,jrmull/sagetv,jason-bean/sagetv,richard-nellist/sagetv,ckewinjones/sagetv,stuckless/sagetv,jusjoken/sagetv,jrmull/sagetv,stuckless/sagetv,skiingwiz/sagetv,andyvshr/sagetv,jrmull/sagetv,JustFred51/sagetv,andyvshr/sagetv,tmiranda1962/sagetv-1,gasinger/sagetv,jlverhagen/sagetv,stuckless/sagetv,andyvshr/sagetv,jfthibert/sagetv,BartokW/sagetv,peterSVS/sagetv,jlverhagen/sagetv,webernissle/sagetv,peterSVS/sagetv,troll5501/sagetv,atarijeff/sagetv,BartokW/sagetv,OpenSageTV/sagetv,Slugger/sagetv,jusjoken/sagetv,gilleslabelle/sagetv,jason-bean/sagetv,enternoescape/sagetv,OpenSageTV/sagetv,skiingwiz/sagetv,JREkiwi/sagetv,BartokW/sagetv,gasinger/sagetv,skiingwiz/sagetv,atarijeff/sagetv,webernissle/sagetv,jlverhagen/sagetv,OpenSageTV/sagetv,rflitcroft/sagetv,jreicheneker/sagetv,JasOXIII/sagetv,gilleslabelle/sagetv,JREkiwi/sagetv,JREkiwi/sagetv,OpenSageTV/sagetv,tmiranda1962/sagetv-1,gasinger/sagetv,ckewinjones/sagetv,tmiranda1962/sagetv-1,atarijeff/sagetv,JustFred51/sagetv,BartokW/sagetv,JasOXIII/sagetv,Slugger/sagetv,tmiranda1962/sagetv-1,jfthibert/sagetv,jreicheneker/sagetv,peterSVS/sagetv,jreicheneker/sagetv,gilleslabelle/sagetv,google/sagetv,troll5501/sagetv,Slugger/sagetv,jreicheneker/sagetv,troll5501/sagetv,richard-nellist/sagetv,ckewinjones/sagetv,gasinger/sagetv,JasOXIII/sagetv,JREkiwi/sagetv,enternoescape/sagetv,gilleslabelle/sagetv,jlverhagen/sagetv,jusjoken/sagetv,jusjoken/sagetv,jason-bean/sagetv,troll5501/sagetv,jrmull/sagetv,rflitcroft/sagetv,andyvshr/sagetv,Slugger/sagetv,ckewinjones/sagetv,JasOXIII/sagetv,peterSVS/sagetv,atarijeff/sagetv,webernissle/sagetv,google/sagetv,rflitcroft/sagetv,enternoescape/sagetv,google/sagetv,skiingwiz/sagetv,JustFred51/sagetv,google/sagetv,stuckless/sagetv,richard-nellist/sagetv,enternoescape/sagetv,rflitcroft/sagetv,webernissle/sagetv,richard-nellist/sagetv,jfthibert/sagetv