Make DHCP IP configurable
Make DHCP IP configurable

This makes it possible to have DHCP attribute IPs to guests under
various subnets

johntron/vagrant,bshurts/vagrant,bdwyertech/vagrant,sni/vagrant,justincampbell/vagrant,invernizzi-at-google/vagrant,marxarelli/vagrant,PatrickLang/vagrant,benizi/vagrant,mwrock/vagrant,chrisroberts/vagrant,jtopper/vagrant,bshurts/vagrant,lukebakken/vagrant,johntron/vagrant,PatOShea/vagrant,jtopper/vagrant,sni/vagrant,bdwyertech/vagrant,crashlytics/vagrant,crashlytics/vagrant,mkuzmin/vagrant,chrisroberts/vagrant,marxarelli/vagrant,PatrickLang/vagrant,vamegh/vagrant,sni/vagrant,petems/vagrant,krig/vagrant,benizi/vagrant,mitchellh/vagrant,petems/vagrant,vamegh/vagrant,aneeshusa/vagrant,kamigerami/vagrant,aneeshusa/vagrant,signed8bit/vagrant,kamigerami/vagrant,Endika/vagrant,jtopper/vagrant,bshurts/vagrant,vamegh/vagrant,aaam/vagrant,chrisroberts/vagrant,benh57/vagrant,krig/vagrant,Chhed13/vagrant,bdwyertech/vagrant,aneeshusa/vagrant,mwrock/vagrant,krig/vagrant,justincampbell/vagrant,signed8bit/vagrant,PatrickLang/vagrant,crashlytics/vagrant,kamigerami/vagrant,aaam/vagrant,marxarelli/vagrant,TheBigBear/vagrant,PatOShea/vagrant,mkuzmin/vagrant,aaam/vagrant,invernizzi-at-google/vagrant,PatrickLang/vagrant,justincampbell/vagrant,PatOShea/vagrant,taliesins/vagrant,invernizzi-at-google/vagrant,gitebra/vagrant,vamegh/vagrant,mitchellh/vagrant,tomfanning/vagrant,bryson/vagrant,taliesins/vagrant,gitebra/vagrant,gitebra/vagrant,signed8bit/vagrant,crashlytics/vagrant,aneeshusa/vagrant,kamigerami/vagrant,lonniev/vagrant,mitchellh/vagrant,benh57/vagrant,kamazee/vagrant,gitebra/vagrant,bshurts/vagrant,Endika/vagrant,kamazee/vagrant,sni/vagrant,bdwyertech/vagrant,petems/vagrant,petems/vagrant,tomfanning/vagrant,lonniev/vagrant,Endika/vagrant,mitchellh/vagrant,kamazee/vagrant,lonniev/vagrant,sax/vagrant,kamazee/vagrant,justincampbell/vagrant,bryson/vagrant,TheBigBear/vagrant,carlosefr/vagrant,Chhed13/vagrant,lonniev/vagrant,benh57/vagrant,Endika/vagrant,carlosefr/vagrant,lukebakken/vagrant,krig/vagrant,signed8bit/vagrant,marxarelli/vagrant,carlosefr/vagrant,carlosefr/vagrant,PatOShea/vagrant,sax/vagrant,bryson/vagrant,jtopper/vagrant,aaam/vagrant,Chhed13/vagrant,johntron/vagrant,lukebakken/vagrant,chrisroberts/vagrant,TheBigBear/vagrant,tomfanning/vagrant,benh57/vagrant,mwrock/vagrant,mkuzmin/vagrant,taliesins/vagrant,sax/vagrant,invernizzi-at-google/vagrant,Chhed13/vagrant,bryson/vagrant,benizi/vagrant,mwrock/vagrant,TheBigBear/vagrant,taliesins/vagrant,johntron/vagrant,benizi/vagrant,sax/vagrant,mkuzmin/vagrant,tomfanning/vagrant,lukebakken/vagrant