communicators/winrm: fix powershell execution
communicators/winrm: fix powershell execution

nickryand/vagrant,nickryand/vagrant,iNecas/vagrant,sideci-sample/sideci-sample-vagrant,jtopper/vagrant,marxarelli/vagrant,jberends/vagrant,jberends/vagrant,ianmiell/vagrant,muhanadra/vagrant,ArloL/vagrant,sax/vagrant,vamegh/vagrant,ferventcoder/vagrant,h4ck3rm1k3/vagrant,PatOShea/vagrant,janek-warchol/vagrant,dustymabe/vagrant,signed8bit/vagrant,jhoblitt/vagrant,sax/vagrant,marxarelli/vagrant,aneeshusa/vagrant,pwnall/vagrant,benh57/vagrant,tjanez/vagrant,philwrenn/vagrant,clinstid/vagrant,blueyed/vagrant,myrjola/vagrant,tbriggs-curse/vagrant,mkuzmin/vagrant,stephancom/vagrant,denisbr/vagrant,lonniev/vagrant,TheBigBear/vagrant,philoserf/vagrant,sni/vagrant,jfchevrette/vagrant,theist/vagrant,philoserf/vagrant,shtouff/vagrant,kamigerami/vagrant,channui/vagrant,bshurts/vagrant,obnoxxx/vagrant,Chhed13/vagrant,gbarberi/vagrant,myrjola/vagrant,mwarren/vagrant,iNecas/vagrant,Sgoettschkes/vagrant,TheBigBear/vagrant,zsjohny/vagrant,denisbr/vagrant,denisbr/vagrant,ianmiell/vagrant,ianmiell/vagrant,lukebakken/vagrant,jhoblitt/vagrant,wangfakang/vagrant,bdwyertech/vagrant,miguel250/vagrant,gpkfr/vagrant,invernizzi-at-google/vagrant,marxarelli/vagrant,philwrenn/vagrant,bryson/vagrant,benizi/vagrant,h4ck3rm1k3/vagrant,bdwyertech/vagrant,tjanez/vagrant,obnoxxx/vagrant,crashlytics/vagrant,ArloL/vagrant,justincampbell/vagrant,otagi/vagrant,signed8bit/vagrant,jberends/vagrant,rivy/vagrant,wkolean/vagrant,benh57/vagrant,jtopper/vagrant,justincampbell/vagrant,bshurts/vagrant,chrisroberts/vagrant,aaam/vagrant,sax/vagrant,sni/vagrant,ferventcoder/vagrant,mpoeter/vagrant,tknerr/vagrant,BlakeMesdag/vagrant,tschortsch/vagrant,mitchellh/vagrant,teotihuacanada/vagrant,ianmiell/vagrant,bryson/vagrant,genome21/vagrant,wangfakang/vagrant,chrisvire/vagrant,jkburges/vagrant,jkburges/vagrant,modulexcite/vagrant,petems/vagrant,genome21/vagrant,Chhed13/vagrant,jfchevrette/vagrant,blueyed/vagrant,gitebra/vagrant,tschortsch/vagrant,nickryand/vagrant,tbarrongh/vagrant,taliesins/vagrant,kalabiyau/vagrant,channui/vagrant,chrisvire/vagrant,doy/vagrant,tknerr/vagrant,rivy/vagrant,apertoso/vagrant,carlosefr/vagrant,Chhunlong/vagrant,senglin/vagrant,aneeshusa/vagrant,mkuzmin/vagrant,jberends/vagrant,modulexcite/vagrant,kalabiyau/vagrant,gpkfr/vagrant,apertoso/vagrant,zsjohny/vagrant,jmanero/vagrant,lukebakken/vagrant,gitebra/vagrant,aaam/vagrant,juiceinc/vagrant,juiceinc/vagrant,Sgoettschkes/vagrant,fnewberg/vagrant,chrisvire/vagrant,jmanero/vagrant,PatrickLang/vagrant,ArloL/vagrant,benizi/vagrant,mitchellh/vagrant,crashlytics/vagrant,aaam/vagrant,shtouff/vagrant,johntron/vagrant,mwarren/vagrant,mwrock/vagrant,shtouff/vagrant,patrys/vagrant,ferventcoder/vagrant,Avira/vagrant,vamegh/vagrant,TheBigBear/vagrant,jean/vagrant,gajdaw/vagrant,petems/vagrant,tbarrongh/vagrant,sax/vagrant,dhoer/vagrant,johntron/vagrant,evverx/vagrant,taliesins/vagrant,Chhunlong/vagrant,PatrickLang/vagrant,gbarberi/vagrant,rivy/vagrant,mwarren/vagrant,juiceinc/vagrant,rivy/vagrant,jhoblitt/vagrant,muhanadra/vagrant,mpoeter/vagrant,theist/vagrant,jmanero/vagrant,Chhed13/vagrant,johntron/vagrant,bheuvel/vagrant,philwrenn/vagrant,gbarberi/vagrant,bshurts/vagrant,wkolean/vagrant,dustymabe/vagrant,modulexcite/vagrant,invernizzi-at-google/vagrant,bdwyertech/vagrant,genome21/vagrant,iNecas/vagrant,juiceinc/vagrant,lonniev/vagrant,dhoer/vagrant,shtouff/vagrant,channui/vagrant,gbarberi/vagrant,patrys/vagrant,tknerr/vagrant,jean/vagrant,loren-osborn/vagrant,bdwyertech/vagrant,wkolean/vagrant,petems/vagrant,chrisroberts/vagrant,dustymabe/vagrant,darkn3rd/vagrant,jmanero/vagrant,mpoeter/vagrant,loren-osborn/vagrant,tjanez/vagrant,PatrickLang/vagrant,jhoblitt/vagrant,Avira/vagrant,apertoso/vagrant,fnewberg/vagrant,crashlytics/vagrant,myrjola/vagrant,ferventcoder/vagrant,benh57/vagrant,stephancom/vagrant,tschortsch/vagrant,invernizzi-at-google/vagrant,mwarren/vagrant,kamigerami/vagrant,otagi/vagrant,jtopper/vagrant,pwnall/vagrant,mitchellh/vagrant,vamegh/vagrant,bheuvel/vagrant,mkuzmin/vagrant,jkburges/vagrant,jean/vagrant,krig/vagrant,tbriggs-curse/vagrant,justincampbell/vagrant,dharmab/vagrant,evverx/vagrant,kamazee/vagrant,stephancom/vagrant,legal90/vagrant,invernizzi-at-google/vagrant,bshurts/vagrant,dustymabe/vagrant,justincampbell/vagrant,sni/vagrant,aneeshusa/vagrant,clinstid/vagrant,krig/vagrant,bryson/vagrant,petems/vagrant,MiLk/vagrant,mkuzmin/vagrant,evverx/vagrant,tjanez/vagrant,obnoxxx/vagrant,jkburges/vagrant,lukebakken/vagrant,gitebra/vagrant,senglin/vagrant,jean/vagrant,apertoso/vagrant,signed8bit/vagrant,kamigerami/vagrant,kamigerami/vagrant,Endika/vagrant,tschortsch/vagrant,darkn3rd/vagrant,philoserf/vagrant,modulexcite/vagrant,gitebra/vagrant,otagi/vagrant,h4ck3rm1k3/vagrant,MiLk/vagrant,dharmab/vagrant,marxarelli/vagrant,kalabiyau/vagrant,fnewberg/vagrant,chrisvire/vagrant,tknerr/vagrant,cgvarela/vagrant,myrjola/vagrant,gajdaw/vagrant,darkn3rd/vagrant,PatOShea/vagrant,TheBigBear/vagrant,lukebakken/vagrant,mwrock/vagrant,clinstid/vagrant,dharmab/vagrant,krig/vagrant,bryson/vagrant,bheuvel/vagrant,doy/vagrant,cgvarela/vagrant,Avira/vagrant,doy/vagrant,theist/vagrant,BlakeMesdag/vagrant,cgvarela/vagrant,dharmab/vagrant,dhoer/vagrant,MiLk/vagrant,senglin/vagrant,teotihuacanada/vagrant,genome21/vagrant,tomfanning/vagrant,taliesins/vagrant,PatOShea/vagrant,h4ck3rm1k3/vagrant,aaam/vagrant,vamegh/vagrant,doy/vagrant,mitchellh/vagrant,gpkfr/vagrant,carlosefr/vagrant,tbarrongh/vagrant,Chhed13/vagrant,carlosefr/vagrant,darkn3rd/vagrant,gajdaw/vagrant,tbriggs-curse/vagrant,bheuvel/vagrant,jtopper/vagrant,mwrock/vagrant,nickryand/vagrant,carlosefr/vagrant,BlakeMesdag/vagrant,johntron/vagrant,muhanadra/vagrant,legal90/vagrant,teotihuacanada/vagrant,lonniev/vagrant,benh57/vagrant,miguel250/vagrant,theist/vagrant,chrisroberts/vagrant,chrisroberts/vagrant,pwnall/vagrant,Endika/vagrant,miguel250/vagrant,benizi/vagrant,janek-warchol/vagrant,Sgoettschkes/vagrant,legal90/vagrant,sideci-sample/sideci-sample-vagrant,kalabiyau/vagrant,cgvarela/vagrant,patrys/vagrant,krig/vagrant,zsjohny/vagrant,patrys/vagrant,wangfakang/vagrant,philwrenn/vagrant,dhoer/vagrant,muhanadra/vagrant,janek-warchol/vagrant,loren-osborn/vagrant,mwrock/vagrant,tomfanning/vagrant,blueyed/vagrant,lonniev/vagrant,mpoeter/vagrant,blueyed/vagrant,tbarrongh/vagrant,janek-warchol/vagrant,ArloL/vagrant,tbriggs-curse/vagrant,denisbr/vagrant,jfchevrette/vagrant,gpkfr/vagrant,fnewberg/vagrant,signed8bit/vagrant,sni/vagrant,PatOShea/vagrant,Chhunlong/vagrant,otagi/vagrant,stephancom/vagrant,teotihuacanada/vagrant,tomfanning/vagrant,benizi/vagrant,aneeshusa/vagrant,kamazee/vagrant,tomfanning/vagrant,Avira/vagrant,PatrickLang/vagrant,miguel250/vagrant,wkolean/vagrant,philoserf/vagrant,loren-osborn/vagrant,wangfakang/vagrant,pwnall/vagrant,Endika/vagrant,senglin/vagrant,jfchevrette/vagrant,crashlytics/vagrant,kamazee/vagrant,zsjohny/vagrant,Sgoettschkes/vagrant,Endika/vagrant,sideci-sample/sideci-sample-vagrant,kamazee/vagrant,taliesins/vagrant,legal90/vagrant,Chhunlong/vagrant