Add defined? check for defining PROJECT_ROOT to suppress warnings
Add defined? check for defining PROJECT_ROOT to suppress warnings

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