post-processor/vagrant: style nitpicks
post-processor/vagrant: style nitpicks

/cc @rasa

tomwilkie/packer,oliviertremblay/packer,hazelesque/packer,sean-/packer,rnaveiras/packer,danschaffer/packer,Akasurde/packer,tas50/packer,grubernaut/packer,bhcleek/packer,mayflower/packer,rrva/packer,bensojona/packer,kpettijohn/packer,ttaylor249/packer,taliesins/packer,Sheile/packer,orivej/packer,c22/packer,dayglojesus/packer,hazelesque/packer,Sheile/packer,trumant/packer,rodm/packer,kpettijohn/packer,jimmythedog/packer,mayflower/packer,boumenot/packer,jamesleech/packer,ttaylor249/packer,mitchellh/packer,bensojona/packer,zhuzhih2017/packer,paulvollmer/packer,dave2/packer,paulvollmer/packer,dayglojesus/packer,LinusU/packer,mafrosis/packer,masbog/packer,henrysher/packer,monkeylittleinc/packer,oliviertremblay/packer,evertrue/packer,rnaveiras/packer,rnaveiras/packer,c22/packer,orivej/packer,KohlsTechnology/packer,tas50/packer,esemplare/packer,hasJackb/packer,pvanbuijtene/packer,mefellows/packer,hazelesque/packer,markpeek/packer,jsternberg/packer,tas50/packer,avldya/packer,jamesbishopp/packer,leroux/packer,dave2/packer,mitchellh/packer,KFishner/packer,lantrix/packer,jimmythedog/packer,monkeylittleinc/packer,cyberhouse/packer,avldya/packer,routelastresort/packer,jamesbishopp/packer,grubernaut/packer,cyberhouse/packer,KohlsTechnology/packer,israelshirk/packer,tsmolka/packer,sobrinho/packer,icnocop/packer,mwhooker/packer,threatstream/packer,hashicorp/packer,evertrue/packer,zeliff/packer,umang1912/packer,higebu/packer,grange74/packer,vtolstov/packer,sequenceiq/packer,mwhooker/packer,gbarberi/packer,hasJackb/packer,jasonchaffee/packer,DualSpark/packer,dieu/packer,jen20/packer,avldya/packer,fnoeding/packer,leroux/packer,jean/packer,p1-nico/packer,jonathankarsh/packer,yonglehou/packer,sean-/packer,yonglehou/packer,mohae/packer,sequenceiq/packer,mafrosis/packer,tomwilkie/packer,sneal/packer,paulmey/packer,arizvisa/packer,mefellows/packer,mohae/packer,btd/packer,monsterzz/packer,mkuzmin/packer,mansunkuo/packer,dantran/packer,rk295/packer,dragon788/packer,stagrlee/packer,jae2/packer,smaato/packer,aneeshusa/packer,qur/packer,bryson/packer,ricardclau/packer,pvandervelde/packer,jsternberg/packer,pvanbuijtene/packer,napramirez/packer,gildas/packer-hyperv,Silver90/packer,feateds/packer,mkuzmin/packer,Cbeck527/packer,eranchetz/packer,manicai/packer,p1-nico/packer,grubernaut/packer,mohae/packer,beni55/packer,grubernaut/packer,dave2/packer,yoctocloud/packer,tb3088/packer,noplay/packer,jamesbishopp/packer,fnoeding/packer,rickard-von-essen/packer,danschaffer/packer,arizvisa/packer,henrysher/packer,ttaylor249/packer,tb3088/packer,dieu/packer,pearkes/packer,smaato/packer,dev-head/packer,pieter-lazzaro/packer,mayflower/packer,grubernaut/packer,mkuzmin/packer,ChrisLundquist/packer,jae2/packer,burnzy/packer,arizvisa/packer,sgirones/packer,mohae/packer,jen20/packer,taliesins/packer,yonglehou/packer,threatstream/packer,zhuzhih2017/packer,KohlsTechnology/packer,boumenot/packer,ober/packer,monsterzz/packer,btd/packer,icnocop/packer,jamesbishopp/packer,styro/packer,higebu/packer,mindjiver/packer,sean-/packer,rrva/packer,monkeylittleinc/packer,dantran/packer,tb3088/packer,mansunkuo/packer,mvanholsteijn/packer,Banno/packer,feateds/packer,smaato/packer,pieter-lazzaro/packer,blairham/packer,samdunne/packer,mohae/packer,rnaveiras/packer,justincampbell/packer,esemplare/packer,trumant/packer,burnzy/packer,tb3088/packer,AlphaStaxLLC/packer,pvanbuijtene/packer,dayglojesus/packer,styro/packer,sansb/packer,tsmolka/packer,KohlsTechnology/packer,ChrisLundquist/packer,pecigonzalo/packer,legal90/packer,pearkes/packer,tas50/packer,jsoriano/packer,styro/packer,ephemeralsnow/packer,quantang/packer,sequenceiq/packer,Sheile/packer,jen20/packer,sansb/packer,mafrosis/packer,dev-head/packer,esemplare/packer,pvandervelde/packer,tsmolka/packer,ricardclau/packer,timsutton/packer,rickard-von-essen/packer,mvanholsteijn/packer,samdunne/packer,Akasurde/packer,trumant/packer,fnoeding/packer,tas50/packer,grange74/packer,monsterzz/packer,marc-ta/packer,bradparks/packer__create_vm_for_aws_docker_vagrant_etc,eranchetz/packer,zhuzhih2017/packer,Banno/packer,mwhooker/packer,blairham/packer,arizvisa/packer,ldejager/packer,bradparks/packer__create_vm_for_aws_docker_vagrant_etc,mitchellh/packer,legal90/packer,taliesins/packer,justincampbell/packer,life360/packer,jen20/packer,LinusU/packer,Silver90/packer,rrva/packer,legal90/packer,grange74/packer,jarl-dk/packer,lantrix/packer,sobrinho/packer,youhong316/packer,Silver90/packer,mitchellh/packer,quantang/packer,oliviertremblay/packer,btd/packer,legal90/packer,mvanholsteijn/packer,vtolstov/packer,jasonchaffee/packer,tsmolka/packer,mvanholsteijn/packer,ldejager/packer,umang1912/packer,tracyde/packer,ldejager/packer,zeliff/packer,jsoriano/packer,kgrvamsi/packer,marc-ta/packer,DualSpark/packer,kgrvamsi/packer,p1-nico/packer,cyberhouse/packer,jonathankarsh/packer,kpettijohn/packer,ChrisLundquist/packer,manicai/packer,dave2/packer,Akasurde/packer,danschaffer/packer,shaunduncan/packer,uber/packer,beni55/packer,marc-ta/packer,mkuzmin/packer,mefellows/packer,bryson/packer,ephemeralsnow/packer,visioncritical/packer,jean/packer,atlassian/packer,dantran/packer,smaato/packer,umang1912/packer,sneal/packer,hasJackb/packer,rickard-von-essen/packer,hasJackb/packer,jimmythedog/packer,cyberhouse/packer,jsoriano/packer,AlphaStaxLLC/packer,ephemeralsnow/packer,markpeek/packer,hashicorp/packer,dave2/packer,jsternberg/packer,timsutton/packer,paulvollmer/packer,styro/packer,sgirones/packer,umang1912/packer,jmptrader/packer,rrva/packer,lantrix/packer,tas50/packer,zakuro9715/packer,manicai/packer,stagrlee/packer,rickard-von-essen/packer,jarl-dk/packer,Silver90/packer,mansunkuo/packer,tracyde/packer,grange74/packer,tsmolka/packer,BayanGroup/packer,jmptrader/packer,rnaveiras/packer,rk295/packer,zeliff/packer,visioncritical/packer,bhcleek/packer,atlassian/packer,jimmythedog/packer,markpeek/packer,dragon788/packer,quantang/packer,mgk/packer,napramirez/packer,gildas/packer-hyperv,oliviertremblay/packer,youhong316/packer,markpeek/packer,dantran/packer,dragon788/packer,noplay/packer,Cbeck527/packer,rk295/packer,timsutton/packer,samdunne/packer,btd/packer,bhcleek/packer,timsutton/packer,jonathankarsh/packer,dieu/packer,jarl-dk/packer,ricardclau/packer,eranchetz/packer,c22/packer,boumenot/packer,monkeylittleinc/packer,zhuzhih2017/packer,threatstream/packer,rk295/packer,mayflower/packer,marklap/packer,bryson/packer,pecigonzalo/packer,aneeshusa/packer,uber/packer,atlassian/packer,dayglojesus/packer,tomwilkie/packer,Xiol/packer,markpeek/packer,c22/packer,vtolstov/packer,shaunduncan/packer,monkeylittleinc/packer,icnocop/packer,gildas/packer-hyperv,mansunkuo/packer,qur/packer,burnzy/packer,atlassian/packer,Sheile/packer,smaato/packer,paulmey/packer,dieu/packer,KFishner/packer,bryson/packer,sgirones/packer,mkuzmin/packer,ober/packer,Banno/packer,KFishner/packer,zhuzhih2017/packer,yoctocloud/packer,higebu/packer,paulmey/packer,qur/packer,pieter-lazzaro/packer,pieter-lazzaro/packer,noplay/packer,youhong316/packer,arizvisa/packer,jen20/packer,jae2/packer,rickard-von-essen/packer,pieter-lazzaro/packer,mindjiver/packer,mwhooker/packer,legal90/packer,youhong316/packer,burnzy/packer,Cbeck527/packer,feateds/packer,jsoriano/packer,sansb/packer,pvandervelde/packer,masbog/packer,BayanGroup/packer,routelastresort/packer,taliesins/packer,ttaylor249/packer,pvandervelde/packer,AlphaStaxLLC/packer,jmptrader/packer,kgrvamsi/packer,bhcleek/packer,masbog/packer,quantang/packer,higebu/packer,life360/packer,pieter-lazzaro/packer,p1-nico/packer,uber/packer,shaunduncan/packer,ldejager/packer,paulmey/packer,bradparks/packer__create_vm_for_aws_docker_vagrant_etc,sequenceiq/packer,p1-nico/packer,boumenot/packer,threatstream/packer,pecigonzalo/packer,jgkim/packer,p1-nico/packer,higebu/packer,samdunne/packer,ober/packer,mwhooker/packer,DualSpark/packer,mitchellh/packer,samdunne/packer,KohlsTechnology/packer,mindjiver/packer,jen20/packer,qur/packer,jean/packer,evertrue/packer,timsutton/packer,lantrix/packer,mkuzmin/packer,dantran/packer,hazelesque/packer,taliesins/packer,kpettijohn/packer,atlassian/packer,paulmey/packer,gbarberi/packer,boumenot/packer,jasonchaffee/packer,avldya/packer,DualSpark/packer,sean-/packer,zakuro9715/packer,rnaveiras/packer,bryson/packer,jgkim/packer,mefellows/packer,noplay/packer,sean-/packer,aneeshusa/packer,BayanGroup/packer,tracyde/packer,jszwedko/packer,tomwilkie/packer,icnocop/packer,marklap/packer,tb3088/packer,esemplare/packer,c22/packer,israelshirk/packer,feateds/packer,gbarberi/packer,ChrisLundquist/packer,jonathankarsh/packer,dave2/packer,ChrisLundquist/packer,blairham/packer,zhuzhih2017/packer,rodm/packer,rodm/packer,visioncritical/packer,LinusU/packer,hashicorp/packer,threatstream/packer,grange74/packer,ober/packer,aneeshusa/packer,manicai/packer,Akasurde/packer,leroux/packer,beni55/packer,shaunduncan/packer,yoctocloud/packer,routelastresort/packer,justincampbell/packer,youhong316/packer,mgk/packer,orivej/packer,marc-ta/packer,paulmey/packer,danschaffer/packer,danschaffer/packer,tsmolka/packer,markpeek/packer,jasonchaffee/packer,esemplare/packer,evertrue/packer,visioncritical/packer,quantang/packer,marklap/packer,pvanbuijtene/packer,ChrisLundquist/packer,jmptrader/packer,pvandervelde/packer,Cbeck527/packer,timsutton/packer,ricardclau/packer,jae2/packer,BayanGroup/packer,bensojona/packer,tracyde/packer,pvanbuijtene/packer,yoctocloud/packer,dev-head/packer,Xiol/packer,napramirez/packer,bensojona/packer,jarl-dk/packer,zakuro9715/packer,rodm/packer,jszwedko/packer,trumant/packer,sobrinho/packer,grubernaut/packer,Akasurde/packer,sean-/packer,henrysher/packer,atlassian/packer,sneal/packer,israelshirk/packer,uber/packer,ephemeralsnow/packer,mayflower/packer,ober/packer,zeliff/packer,justincampbell/packer,smaato/packer,bradparks/packer__create_vm_for_aws_docker_vagrant_etc,jsternberg/packer,paulvollmer/packer,ttaylor249/packer,tb3088/packer,jasonchaffee/packer,life360/packer,life360/packer,yoctocloud/packer,mafrosis/packer,jgkim/packer,jimmythedog/packer,pearkes/packer,monsterzz/packer,zakuro9715/packer,orivej/packer,Cbeck527/packer,dev-head/packer,taliesins/packer,ephemeralsnow/packer,jamesleech/packer,arizvisa/packer,mgk/packer,bryson/packer,yonglehou/packer,bhcleek/packer,life360/packer,sansb/packer,jean/packer,leroux/packer,pearkes/packer,beni55/packer,youhong316/packer,kgrvamsi/packer,vtolstov/packer,gildas/packer-hyperv,Xiol/packer,routelastresort/packer,jamesleech/packer,gbarberi/packer,mgk/packer,pecigonzalo/packer,KFishner/packer,fnoeding/packer,marklap/packer,henrysher/packer,jszwedko/packer,jamesleech/packer,AlphaStaxLLC/packer,Xiol/packer,jszwedko/packer,sneal/packer,masbog/packer,dragon788/packer,stagrlee/packer,sneal/packer,pvandervelde/packer,LinusU/packer,jgkim/packer,c22/packer,dayglojesus/packer,mansunkuo/packer,hashicorp/packer,israelshirk/packer,napramirez/packer,routelastresort/packer,mafrosis/packer,sgirones/packer,stagrlee/packer,KohlsTechnology/packer,ricardclau/packer,blairham/packer,sobrinho/packer,ricardclau/packer,vtolstov/packer,mindjiver/packer,icnocop/packer,eranchetz/packer