util/packer: Set VirtualBox hostname to "flynn"
util/packer: Set VirtualBox hostname to "flynn"

Signed-off-by: Lewis Marshall <748e1641a368164906d4a0c0e3965345453dcc93@lmars.net>

clifff/flynn,Brandywine2161/flynn,technosophos/flynn,flynn/flynn,felixrieseberg/flynn,TribeMedia/flynn,technosophos/flynn,supermario/flynn,pkdevbox/flynn,josephglanville/flynn,clifff/flynn,kgrz/flynn,supermario/flynn,whouses/flynn,arekkas/flynn,flynn/flynn,GrimDerp/flynn,TribeMedia/flynn,lmars/flynn,justintung/flynn,Brandywine2161/flynn,shads196770/flynn,felixrieseberg/flynn,lmars/flynn,rikur/flynn,flynn/flynn,TribeMedia/flynn,josephglanville/flynn,clifff/flynn,philiplb/flynn,whouses/flynn,TribeMedia/flynn,flynn/flynn,Brandywine2161/flynn,josephglanville/flynn,kgrz/flynn,pkdevbox/flynn,rikur/flynn,josephglanville/flynn,josephglanville/flynn,supermario/flynn,whouses/flynn,Brandywine2161/flynn,philiplb/flynn,arekkas/flynn,jzila/flynn,clifff/flynn,Brandywine2161/flynn,benbjohnson/flynn,supermario/flynn,TribeMedia/flynn,lmars/flynn,ozum/flynn,benbjohnson/flynn,ozum/flynn,technosophos/flynn,mubassirhayat/flynn,felixrieseberg/flynn,pkdevbox/flynn,arekkas/flynn,GrimDerp/flynn,jzila/flynn,technosophos/flynn,ozum/flynn,arekkas/flynn,jzila/flynn,shads196770/flynn,mubassirhayat/flynn,mubassirhayat/flynn,flynn/flynn,benbjohnson/flynn,supermario/flynn,supermario/flynn,clifff/flynn,schatt/flynn,whouses/flynn,shads196770/flynn,schatt/flynn,tonicbupt/flynn,benbjohnson/flynn,benbjohnson/flynn,justintung/flynn,whouses/flynn,schatt/flynn,GrimDerp/flynn,GrimDerp/flynn,GrimDerp/flynn,philiplb/flynn,schatt/flynn,justintung/flynn,tonicbupt/flynn,ozum/flynn,lmars/flynn,tonicbupt/flynn,kgrz/flynn,justintung/flynn,ozum/flynn,josephglanville/flynn,tonicbupt/flynn,ozum/flynn,pkdevbox/flynn,jzila/flynn,rikur/flynn,arekkas/flynn,shads196770/flynn,kgrz/flynn,schatt/flynn,rikur/flynn,GrimDerp/flynn,shads196770/flynn,kgrz/flynn,whouses/flynn,kgrz/flynn,rikur/flynn,clifff/flynn,shads196770/flynn,tonicbupt/flynn,pkdevbox/flynn,mubassirhayat/flynn,jzila/flynn,philiplb/flynn,benbjohnson/flynn,lmars/flynn,pkdevbox/flynn,rikur/flynn,felixrieseberg/flynn,technosophos/flynn,TribeMedia/flynn,felixrieseberg/flynn,justintung/flynn,justintung/flynn,Brandywine2161/flynn,schatt/flynn,philiplb/flynn,jzila/flynn