Fix seed_master key file name
Fix seed_master key file name

As per https://github.com/saltstack/salty-vagrant/pull/98 and https://github.com/saltstack/salty-vagrant/issues/97 the expected file name for minion is 'minion', not 'seed-minion.pub'
tknerr/vagrant,tjanez/vagrant,dhoer/vagrant,jtopper/vagrant,signed8bit/vagrant,gbarberi/vagrant,otagi/vagrant,justincampbell/vagrant,dharmab/vagrant,blueyed/vagrant,gajdaw/vagrant,channui/vagrant,teotihuacanada/vagrant,zsjohny/vagrant,kamazee/vagrant,obnoxxx/vagrant,wkolean/vagrant,invernizzi-at-google/vagrant,darkn3rd/vagrant,fnewberg/vagrant,Avira/vagrant,sni/vagrant,ianmiell/vagrant,jmanero/vagrant,justincampbell/vagrant,h4ck3rm1k3/vagrant,chrisroberts/vagrant,evverx/vagrant,invernizzi-at-google/vagrant,p0deje/vagrant,bryson/vagrant,lukebakken/vagrant,ferventcoder/vagrant,tschortsch/vagrant,ferventcoder/vagrant,bryson/vagrant,gpkfr/vagrant,mkuzmin/vagrant,cgvarela/vagrant,taliesins/vagrant,jkburges/vagrant,vamegh/vagrant,mkuzmin/vagrant,nickryand/vagrant,crashlytics/vagrant,MiLk/vagrant,sni/vagrant,bdwyertech/vagrant,legal90/vagrant,benh57/vagrant,Ninir/vagrant,benizi/vagrant,genome21/vagrant,miguel250/vagrant,janek-warchol/vagrant,miguel250/vagrant,chrisroberts/vagrant,ianmiell/vagrant,doy/vagrant,shtouff/vagrant,tschortsch/vagrant,nickryand/vagrant,blueyed/vagrant,doy/vagrant,janek-warchol/vagrant,juiceinc/vagrant,lonniev/vagrant,evverx/vagrant,carlosefr/vagrant,crashlytics/vagrant,jtopper/vagrant,apertoso/vagrant,teotihuacanada/vagrant,cgvarela/vagrant,krig/vagrant,wangfakang/vagrant,dharmab/vagrant,juiceinc/vagrant,iNecas/vagrant,clinstid/vagrant,johntron/vagrant,myrjola/vagrant,marxarelli/vagrant,jean/vagrant,sax/vagrant,chrisvire/vagrant,kamigerami/vagrant,mwarren/vagrant,mkuzmin/vagrant,crashlytics/vagrant,Ninir/vagrant,patrys/vagrant,aneeshusa/vagrant,tomfanning/vagrant,sax/vagrant,carlosefr/vagrant,modulexcite/vagrant,p0deje/vagrant,muhanadra/vagrant,darkn3rd/vagrant,genome21/vagrant,legal90/vagrant,kamigerami/vagrant,pwnall/vagrant,Avira/vagrant,sferik/vagrant,mitchellh/vagrant,jfchevrette/vagrant,gbarberi/vagrant,philoserf/vagrant,TheBigBear/vagrant,dhoer/vagrant,Chhunlong/vagrant,sideci-sample/sideci-sample-vagrant,kamigerami/vagrant,lukebakken/vagrant,bshurts/vagrant,benh57/vagrant,h4ck3rm1k3/vagrant,vamegh/vagrant,sferik/vagrant,taliesins/vagrant,jberends/vagrant,h4ck3rm1k3/vagrant,loren-osborn/vagrant,Chhunlong/vagrant,philoserf/vagrant,stephancom/vagrant,rivy/vagrant,mwarren/vagrant,taliesins/vagrant,krig/vagrant,theist/vagrant,loren-osborn/vagrant,channui/vagrant,BlakeMesdag/vagrant,muhanadra/vagrant,apertoso/vagrant,jhoblitt/vagrant,taliesins/vagrant,philwrenn/vagrant,dustymabe/vagrant,janek-warchol/vagrant,gbarberi/vagrant,stephancom/vagrant,senglin/vagrant,bdwyertech/vagrant,loren-osborn/vagrant,wangfakang/vagrant,gajdaw/vagrant,obnoxxx/vagrant,chrisroberts/vagrant,darkn3rd/vagrant,PatOShea/vagrant,wkolean/vagrant,pwnall/vagrant,invernizzi-at-google/vagrant,justincampbell/vagrant,MiLk/vagrant,ArloL/vagrant,TheBigBear/vagrant,juiceinc/vagrant,ArloL/vagrant,mwrock/vagrant,Chhunlong/vagrant,carlosefr/vagrant,chrisroberts/vagrant,benizi/vagrant,darkn3rd/vagrant,legal90/vagrant,bdwyertech/vagrant,jean/vagrant,modulexcite/vagrant,shtouff/vagrant,bryson/vagrant,jmanero/vagrant,PatOShea/vagrant,vamegh/vagrant,Avira/vagrant,gitebra/vagrant,clinstid/vagrant,sni/vagrant,dustymabe/vagrant,gpkfr/vagrant,mwrock/vagrant,evverx/vagrant,bheuvel/vagrant,gpkfr/vagrant,muhanadra/vagrant,kalabiyau/vagrant,rivy/vagrant,nickryand/vagrant,modulexcite/vagrant,mwrock/vagrant,Chhed13/vagrant,aneeshusa/vagrant,teotihuacanada/vagrant,signed8bit/vagrant,tbarrongh/vagrant,tbriggs-curse/vagrant,otagi/vagrant,Chhed13/vagrant,myrjola/vagrant,benizi/vagrant,chrisvire/vagrant,jberends/vagrant,jhoblitt/vagrant,Endika/vagrant,jmanero/vagrant,Sgoettschkes/vagrant,cgvarela/vagrant,bheuvel/vagrant,tbarrongh/vagrant,justincampbell/vagrant,tomfanning/vagrant,myrjola/vagrant,shtouff/vagrant,PatrickLang/vagrant,gpkfr/vagrant,jkburges/vagrant,Endika/vagrant,Sgoettschkes/vagrant,kamazee/vagrant,kamigerami/vagrant,doy/vagrant,PatOShea/vagrant,jfchevrette/vagrant,BlakeMesdag/vagrant,jmanero/vagrant,ianmiell/vagrant,chrisvire/vagrant,bryson/vagrant,dustymabe/vagrant,krig/vagrant,jtopper/vagrant,jberends/vagrant,wkolean/vagrant,marxarelli/vagrant,TheBigBear/vagrant,vamegh/vagrant,genome21/vagrant,denisbr/vagrant,patrys/vagrant,kalabiyau/vagrant,pwnall/vagrant,aaam/vagrant,denisbr/vagrant,jean/vagrant,kamazee/vagrant,tknerr/vagrant,gitebra/vagrant,stephancom/vagrant,wkolean/vagrant,theist/vagrant,mpoeter/vagrant,doy/vagrant,denisbr/vagrant,tbriggs-curse/vagrant,dharmab/vagrant,ArloL/vagrant,tjanez/vagrant,ianmiell/vagrant,p0deje/vagrant,denisbr/vagrant,teotihuacanada/vagrant,mwrock/vagrant,benizi/vagrant,krig/vagrant,jhoblitt/vagrant,tomfanning/vagrant,gitebra/vagrant,clinstid/vagrant,tbarrongh/vagrant,PatOShea/vagrant,tschortsch/vagrant,tomfanning/vagrant,philoserf/vagrant,otagi/vagrant,mpoeter/vagrant,aneeshusa/vagrant,theist/vagrant,blueyed/vagrant,lukebakken/vagrant,mkuzmin/vagrant,benh57/vagrant,kalabiyau/vagrant,johntron/vagrant,johntron/vagrant,aneeshusa/vagrant,aaam/vagrant,MiLk/vagrant,ferventcoder/vagrant,tjanez/vagrant,apertoso/vagrant,ferventcoder/vagrant,iNecas/vagrant,mwarren/vagrant,Sgoettschkes/vagrant,aaam/vagrant,PatrickLang/vagrant,petems/vagrant,johntron/vagrant,miguel250/vagrant,iNecas/vagrant,mpoeter/vagrant,lonniev/vagrant,PatrickLang/vagrant,senglin/vagrant,Chhunlong/vagrant,benh57/vagrant,petems/vagrant,TheBigBear/vagrant,fnewberg/vagrant,signed8bit/vagrant,zsjohny/vagrant,Endika/vagrant,chrisvire/vagrant,nickryand/vagrant,PatrickLang/vagrant,Ninir/vagrant,loren-osborn/vagrant,zsjohny/vagrant,wangfakang/vagrant,tschortsch/vagrant,bshurts/vagrant,miguel250/vagrant,mitchellh/vagrant,tbriggs-curse/vagrant,fnewberg/vagrant,Endika/vagrant,sni/vagrant,pwnall/vagrant,juiceinc/vagrant,philwrenn/vagrant,jkburges/vagrant,marxarelli/vagrant,theist/vagrant,patrys/vagrant,obnoxxx/vagrant,mitchellh/vagrant,BlakeMesdag/vagrant,sideci-sample/sideci-sample-vagrant,bdwyertech/vagrant,jfchevrette/vagrant,invernizzi-at-google/vagrant,bshurts/vagrant,rivy/vagrant,bheuvel/vagrant,sferik/vagrant,wangfakang/vagrant,kamazee/vagrant,dhoer/vagrant,Chhed13/vagrant,dustymabe/vagrant,mpoeter/vagrant,legal90/vagrant,dhoer/vagrant,tbriggs-curse/vagrant,tjanez/vagrant,senglin/vagrant,lonniev/vagrant,tknerr/vagrant,philwrenn/vagrant,sax/vagrant,signed8bit/vagrant,crashlytics/vagrant,fnewberg/vagrant,kalabiyau/vagrant,muhanadra/vagrant,bheuvel/vagrant,jkburges/vagrant,marxarelli/vagrant,sideci-sample/sideci-sample-vagrant,myrjola/vagrant,philoserf/vagrant,zsjohny/vagrant,shtouff/vagrant,carlosefr/vagrant,Avira/vagrant,dharmab/vagrant,jtopper/vagrant,jfchevrette/vagrant,tknerr/vagrant,blueyed/vagrant,mwarren/vagrant,tbarrongh/vagrant,jhoblitt/vagrant,sax/vagrant,h4ck3rm1k3/vagrant,Chhed13/vagrant,ArloL/vagrant,gbarberi/vagrant,channui/vagrant,Sgoettschkes/vagrant,senglin/vagrant,rivy/vagrant,gajdaw/vagrant,lukebakken/vagrant,petems/vagrant,gitebra/vagrant,bshurts/vagrant,modulexcite/vagrant,patrys/vagrant,apertoso/vagrant,petems/vagrant,otagi/vagrant,janek-warchol/vagrant,lonniev/vagrant,stephancom/vagrant,jberends/vagrant,mitchellh/vagrant,cgvarela/vagrant,genome21/vagrant,aaam/vagrant,jean/vagrant,philwrenn/vagrant