Installs 64bit chef on windows if available
Installs 64bit chef on windows if available

Resolves #3847

- Changes linux install url to new omnitruck.chef.io url. 
- Changes powershell install to use omnitruck url instead of hard coded to 32bit msi install.
markpeek/packer,tas50/packer,bryson/packer,c22/packer,quantang/packer,mkuzmin/packer,rickard-von-essen/packer,c22/packer,jimmythedog/packer,pecigonzalo/packer,bryson/packer,zhuzhih2017/packer,taliesins/packer,c22/packer,jen20/packer,tsmolka/packer,mitchellh/packer,smaato/packer,p1-nico/packer,pvandervelde/packer,threatstream/packer,legal90/packer,p1-nico/packer,sneal/packer,life360/packer,tsmolka/packer,smaato/packer,tsmolka/packer,taliesins/packer,jen20/packer,grubernaut/packer,hashicorp/packer,rnaveiras/packer,grubernaut/packer,taliesins/packer,tas50/packer,sean-/packer,zhuzhih2017/packer,pvandervelde/packer,zhuzhih2017/packer,legal90/packer,dave2/packer,tsmolka/packer,markpeek/packer,mafrosis/packer,dayglojesus/packer,timsutton/packer,sean-/packer,jimmythedog/packer,smaato/packer,ricardclau/packer,rnaveiras/packer,rnaveiras/packer,markpeek/packer,routelastresort/packer,threatstream/packer,jimmythedog/packer,tb3088/packer,ricardclau/packer,bryson/packer,rickard-von-essen/packer,ricardclau/packer,paulmey/packer,pieter-lazzaro/packer,pvanbuijtene/packer,pvandervelde/packer,mwhooker/packer,markpeek/packer,ChrisLundquist/packer,ChrisLundquist/packer,arizvisa/packer,monkeylittleinc/packer,samdunne/packer,dayglojesus/packer,life360/packer,grubernaut/packer,mafrosis/packer,KohlsTechnology/packer,sean-/packer,hashicorp/packer,dave2/packer,hashicorp/packer,pieter-lazzaro/packer,p1-nico/packer,pieter-lazzaro/packer,mwhooker/packer,smaato/packer,timsutton/packer,pvandervelde/packer,samdunne/packer,paulmey/packer,youhong316/packer,boumenot/packer,tsmolka/packer,tas50/packer,ChrisLundquist/packer,legal90/packer,legal90/packer,rickard-von-essen/packer,jimmythedog/packer,arizvisa/packer,hashicorp/packer,markpeek/packer,samdunne/packer,quantang/packer,KohlsTechnology/packer,routelastresort/packer,markpeek/packer,smaato/packer,pvanbuijtene/packer,timsutton/packer,dave2/packer,sneal/packer,ricardclau/packer,tas50/packer,mkuzmin/packer,sneal/packer,pecigonzalo/packer,bryson/packer,tb3088/packer,pvanbuijtene/packer,sean-/packer,threatstream/packer,tas50/packer,rnaveiras/packer,ChrisLundquist/packer,dave2/packer,mkuzmin/packer,jen20/packer,mafrosis/packer,KohlsTechnology/packer,pieter-lazzaro/packer,quantang/packer,samdunne/packer,routelastresort/packer,youhong316/packer,dayglojesus/packer,taliesins/packer,threatstream/packer,KohlsTechnology/packer,mitchellh/packer,tb3088/packer,pieter-lazzaro/packer,jen20/packer,rickard-von-essen/packer,jen20/packer,mitchellh/packer,mwhooker/packer,zhuzhih2017/packer,KohlsTechnology/packer,ricardclau/packer,bryson/packer,arizvisa/packer,tb3088/packer,ChrisLundquist/packer,sean-/packer,tb3088/packer,dayglojesus/packer,monkeylittleinc/packer,paulmey/packer,arizvisa/packer,life360/packer,pvanbuijtene/packer,grubernaut/packer,jimmythedog/packer,pvanbuijtene/packer,dave2/packer,taliesins/packer,monkeylittleinc/packer,pecigonzalo/packer,routelastresort/packer,mafrosis/packer,mkuzmin/packer,paulmey/packer,atlassian/packer,timsutton/packer,sneal/packer,mafrosis/packer,paulmey/packer,tsmolka/packer,atlassian/packer,life360/packer,boumenot/packer,arizvisa/packer,smaato/packer,tas50/packer,KohlsTechnology/packer,timsutton/packer,pvandervelde/packer,grubernaut/packer,timsutton/packer,monkeylittleinc/packer,atlassian/packer,routelastresort/packer,c22/packer,zhuzhih2017/packer,mkuzmin/packer,atlassian/packer,monkeylittleinc/packer,mwhooker/packer,jen20/packer,tb3088/packer,samdunne/packer,mwhooker/packer,arizvisa/packer,life360/packer,ricardclau/packer,quantang/packer,youhong316/packer,taliesins/packer,zhuzhih2017/packer,p1-nico/packer,youhong316/packer,rnaveiras/packer,dayglojesus/packer,rnaveiras/packer,p1-nico/packer,legal90/packer,boumenot/packer,mitchellh/packer,youhong316/packer,atlassian/packer,paulmey/packer,threatstream/packer,rickard-von-essen/packer,pieter-lazzaro/packer,youhong316/packer,dave2/packer,quantang/packer,p1-nico/packer,mkuzmin/packer,grubernaut/packer,sneal/packer,pvandervelde/packer,sean-/packer,boumenot/packer,bryson/packer,ChrisLundquist/packer,c22/packer,pecigonzalo/packer,atlassian/packer,boumenot/packer,c22/packer,mitchellh/packer