provisioners/ansible: allow verbose :extra to be string
provisioners/ansible: allow verbose :extra to be string

mwrock/vagrant,h4ck3rm1k3/vagrant,sax/vagrant,juiceinc/vagrant,rivy/vagrant,lonniev/vagrant,johntron/vagrant,PatOShea/vagrant,Sgoettschkes/vagrant,sni/vagrant,h4ck3rm1k3/vagrant,dhoer/vagrant,jean/vagrant,nickryand/vagrant,jhoblitt/vagrant,signed8bit/vagrant,justincampbell/vagrant,wkolean/vagrant,darkn3rd/vagrant,gpkfr/vagrant,taliesins/vagrant,bdwyertech/vagrant,pwnall/vagrant,signed8bit/vagrant,johntron/vagrant,blueyed/vagrant,vamegh/vagrant,aneeshusa/vagrant,benh57/vagrant,bryson/vagrant,crashlytics/vagrant,benizi/vagrant,lukebakken/vagrant,apertoso/vagrant,Chhunlong/vagrant,ferventcoder/vagrant,philwrenn/vagrant,mwrock/vagrant,aneeshusa/vagrant,bdwyertech/vagrant,tomfanning/vagrant,apertoso/vagrant,kamigerami/vagrant,p0deje/vagrant,iNecas/vagrant,theist/vagrant,nickryand/vagrant,carlosefr/vagrant,aaam/vagrant,tjanez/vagrant,carlosefr/vagrant,mwarren/vagrant,miguel250/vagrant,lonniev/vagrant,justincampbell/vagrant,bshurts/vagrant,dhoer/vagrant,jberends/vagrant,otagi/vagrant,tknerr/vagrant,mkuzmin/vagrant,ArloL/vagrant,carlosefr/vagrant,jtopper/vagrant,TheBigBear/vagrant,sax/vagrant,obnoxxx/vagrant,apertoso/vagrant,bshurts/vagrant,loren-osborn/vagrant,invernizzi-at-google/vagrant,kamigerami/vagrant,jean/vagrant,jberends/vagrant,sax/vagrant,pwnall/vagrant,crashlytics/vagrant,philwrenn/vagrant,jmanero/vagrant,cgvarela/vagrant,krig/vagrant,Ninir/vagrant,ianmiell/vagrant,darkn3rd/vagrant,sax/vagrant,patrys/vagrant,juiceinc/vagrant,Sgoettschkes/vagrant,marxarelli/vagrant,miguel250/vagrant,jfchevrette/vagrant,patrys/vagrant,doy/vagrant,rivy/vagrant,dhoer/vagrant,mwarren/vagrant,jean/vagrant,bshurts/vagrant,justincampbell/vagrant,dharmab/vagrant,patrys/vagrant,stephancom/vagrant,chrisroberts/vagrant,sideci-sample/sideci-sample-vagrant,PatrickLang/vagrant,darkn3rd/vagrant,PatOShea/vagrant,loren-osborn/vagrant,sni/vagrant,BlakeMesdag/vagrant,BlakeMesdag/vagrant,Sgoettschkes/vagrant,apertoso/vagrant,dustymabe/vagrant,benizi/vagrant,crashlytics/vagrant,MiLk/vagrant,philoserf/vagrant,bheuvel/vagrant,Avira/vagrant,myrjola/vagrant,gitebra/vagrant,gitebra/vagrant,modulexcite/vagrant,tbriggs-curse/vagrant,jtopper/vagrant,Endika/vagrant,Avira/vagrant,loren-osborn/vagrant,jhoblitt/vagrant,tbarrongh/vagrant,mwrock/vagrant,tjanez/vagrant,petems/vagrant,genome21/vagrant,Ninir/vagrant,rivy/vagrant,vamegh/vagrant,shtouff/vagrant,Chhunlong/vagrant,kamazee/vagrant,mkuzmin/vagrant,johntron/vagrant,dharmab/vagrant,teotihuacanada/vagrant,jkburges/vagrant,petems/vagrant,obnoxxx/vagrant,mitchellh/vagrant,jmanero/vagrant,Endika/vagrant,juiceinc/vagrant,stephancom/vagrant,tschortsch/vagrant,genome21/vagrant,aaam/vagrant,aaam/vagrant,p0deje/vagrant,blueyed/vagrant,TheBigBear/vagrant,legal90/vagrant,iNecas/vagrant,pwnall/vagrant,otagi/vagrant,cgvarela/vagrant,Endika/vagrant,TheBigBear/vagrant,mkuzmin/vagrant,philoserf/vagrant,miguel250/vagrant,Chhed13/vagrant,chrisroberts/vagrant,gbarberi/vagrant,bheuvel/vagrant,tknerr/vagrant,ianmiell/vagrant,benizi/vagrant,blueyed/vagrant,aaam/vagrant,evverx/vagrant,janek-warchol/vagrant,clinstid/vagrant,jmanero/vagrant,wkolean/vagrant,lukebakken/vagrant,zsjohny/vagrant,kamigerami/vagrant,MiLk/vagrant,tschortsch/vagrant,channui/vagrant,mpoeter/vagrant,TheBigBear/vagrant,Ninir/vagrant,ianmiell/vagrant,miguel250/vagrant,sni/vagrant,p0deje/vagrant,aneeshusa/vagrant,gajdaw/vagrant,chrisvire/vagrant,lonniev/vagrant,Sgoettschkes/vagrant,bdwyertech/vagrant,legal90/vagrant,benh57/vagrant,philwrenn/vagrant,jtopper/vagrant,jean/vagrant,stephancom/vagrant,kamazee/vagrant,zsjohny/vagrant,mpoeter/vagrant,kamigerami/vagrant,theist/vagrant,kalabiyau/vagrant,marxarelli/vagrant,tbarrongh/vagrant,philoserf/vagrant,ferventcoder/vagrant,mwarren/vagrant,jberends/vagrant,myrjola/vagrant,pwnall/vagrant,denisbr/vagrant,kalabiyau/vagrant,MiLk/vagrant,otagi/vagrant,senglin/vagrant,sni/vagrant,gitebra/vagrant,bryson/vagrant,h4ck3rm1k3/vagrant,dustymabe/vagrant,fnewberg/vagrant,blueyed/vagrant,shtouff/vagrant,PatrickLang/vagrant,Avira/vagrant,mpoeter/vagrant,obnoxxx/vagrant,tjanez/vagrant,channui/vagrant,jhoblitt/vagrant,nickryand/vagrant,gpkfr/vagrant,johntron/vagrant,muhanadra/vagrant,mitchellh/vagrant,wkolean/vagrant,marxarelli/vagrant,teotihuacanada/vagrant,invernizzi-at-google/vagrant,jfchevrette/vagrant,clinstid/vagrant,Endika/vagrant,senglin/vagrant,nickryand/vagrant,carlosefr/vagrant,patrys/vagrant,taliesins/vagrant,tknerr/vagrant,mitchellh/vagrant,wangfakang/vagrant,invernizzi-at-google/vagrant,Chhed13/vagrant,janek-warchol/vagrant,BlakeMesdag/vagrant,bshurts/vagrant,sideci-sample/sideci-sample-vagrant,jkburges/vagrant,vamegh/vagrant,legal90/vagrant,ArloL/vagrant,modulexcite/vagrant,senglin/vagrant,gpkfr/vagrant,doy/vagrant,darkn3rd/vagrant,sideci-sample/sideci-sample-vagrant,senglin/vagrant,kamazee/vagrant,sferik/vagrant,ferventcoder/vagrant,iNecas/vagrant,Chhed13/vagrant,gajdaw/vagrant,taliesins/vagrant,jhoblitt/vagrant,PatOShea/vagrant,bdwyertech/vagrant,Chhunlong/vagrant,chrisroberts/vagrant,dhoer/vagrant,chrisvire/vagrant,dustymabe/vagrant,tknerr/vagrant,vamegh/vagrant,tomfanning/vagrant,doy/vagrant,aneeshusa/vagrant,stephancom/vagrant,channui/vagrant,bryson/vagrant,dharmab/vagrant,myrjola/vagrant,bheuvel/vagrant,lonniev/vagrant,otagi/vagrant,crashlytics/vagrant,ianmiell/vagrant,bheuvel/vagrant,tbriggs-curse/vagrant,marxarelli/vagrant,zsjohny/vagrant,tomfanning/vagrant,bryson/vagrant,gitebra/vagrant,theist/vagrant,gbarberi/vagrant,benh57/vagrant,modulexcite/vagrant,gajdaw/vagrant,kalabiyau/vagrant,tschortsch/vagrant,benizi/vagrant,fnewberg/vagrant,philwrenn/vagrant,ferventcoder/vagrant,myrjola/vagrant,fnewberg/vagrant,gbarberi/vagrant,teotihuacanada/vagrant,gpkfr/vagrant,benh57/vagrant,clinstid/vagrant,krig/vagrant,krig/vagrant,jmanero/vagrant,wangfakang/vagrant,PatOShea/vagrant,shtouff/vagrant,mitchellh/vagrant,tbarrongh/vagrant,kalabiyau/vagrant,evverx/vagrant,petems/vagrant,jkburges/vagrant,tbriggs-curse/vagrant,jtopper/vagrant,doy/vagrant,modulexcite/vagrant,krig/vagrant,legal90/vagrant,genome21/vagrant,taliesins/vagrant,janek-warchol/vagrant,tbriggs-curse/vagrant,tschortsch/vagrant,genome21/vagrant,Chhed13/vagrant,zsjohny/vagrant,wangfakang/vagrant,denisbr/vagrant,juiceinc/vagrant,mkuzmin/vagrant,philoserf/vagrant,mwrock/vagrant,jfchevrette/vagrant,chrisvire/vagrant,gbarberi/vagrant,fnewberg/vagrant,shtouff/vagrant,janek-warchol/vagrant,ArloL/vagrant,sferik/vagrant,loren-osborn/vagrant,evverx/vagrant,PatrickLang/vagrant,rivy/vagrant,jberends/vagrant,mwarren/vagrant,petems/vagrant,dharmab/vagrant,wangfakang/vagrant,Chhunlong/vagrant,PatrickLang/vagrant,teotihuacanada/vagrant,mpoeter/vagrant,tomfanning/vagrant,signed8bit/vagrant,dustymabe/vagrant,lukebakken/vagrant,tjanez/vagrant,invernizzi-at-google/vagrant,tbarrongh/vagrant,h4ck3rm1k3/vagrant,wkolean/vagrant,theist/vagrant,justincampbell/vagrant,sferik/vagrant,ArloL/vagrant,signed8bit/vagrant,chrisvire/vagrant,muhanadra/vagrant,cgvarela/vagrant,kamazee/vagrant,jkburges/vagrant,cgvarela/vagrant,jfchevrette/vagrant,chrisroberts/vagrant,muhanadra/vagrant,denisbr/vagrant,lukebakken/vagrant,Avira/vagrant,denisbr/vagrant,muhanadra/vagrant