ubuntu: Fix initial container creation
ubuntu: Fix initial container creation

The list of packages must be comma separated, not space separated.

Signed-off-by: Stéphane Graber <089afc6d81f66f1168a9849e15660feae286e024@ubuntu.com>

bostjan/lxc,akshaykarle/lxc,federicobriata/lxc,QingweiPeterLan/cs188-lxc,ysbnim/lxc,QingweiPeterLan/cs188-lxc,hkjolhede/lxc,ss1h2a3tw/lxc,major/lxc,efiop/lxc,lisongmin/lxc,hkjolhede/lxc,caglar10ur/lxc,cjwatson/lxc,hfuCN/lxc,weizhenwei/lxc,JohnPeacockMessageSystems/lxc,aeris/lxc,ksperis/lxc,armcc/lxc,hallyn/lxc,cjwatson/lxc,akshaykarle/lxc,rldleblanc/lxc,weizhenwei/lxc,raspberrypython/lxc,Ponce/lxc,ysbnim/lxc,bmoar/lxc,christiaan/lxc,Distrotech/lxc,armcc/lxc,caglar10ur/lxc,JohnPeacockMessageSystems/lxc,LynxChaus/lxc,fwilson42/lxc,terceiro/lxc,bmoar/lxc,ojkastl/lxc_Patches,JohnPeacockMessageSystems/lxc,ecarrara/lxc,raspberrypython/lxc,ecarrara/lxc,federicobriata/lxc,ioops/lxc,LynxChaus/lxc,hfuCN/lxc,ysbnim/lxc,jirislaby/lxc,lazy404/lxc,ksperis/lxc,yubo/lxc,sapun/lxc,weizhenwei/lxc,cjwatson/lxc,regit/lxc,thmo/lxc,terceiro/lxc,rowhit/lxc,QingweiPeterLan/cs188-lxc,rldleblanc/lxc,fwilson42/lxc,bmoar/lxc,ojkastl/lxc_Patches,aeris/lxc,ojkastl/lxc_Patches,thmo/lxc,hfuCN/lxc,tych0/lxc,hallyn/lxc,yubo/lxc,efiop/lxc,jirislaby/lxc,lazy404/lxc,Pelagicore/lxc,tych0/lxc,hallyn/lxc,bostjan/lxc,rldleblanc/lxc,lazy404/lxc,Distrotech/lxc,codebauss/lxc,virajs/lxc,christiaan/lxc,efiop/lxc,ss1h2a3tw/lxc,thmo/lxc,ioops/lxc,virajs/lxc,caglar10ur/lxc,terceiro/lxc,sapun/lxc,tych0/lxc,GreatFruitOmsk/lxc,rowhit/lxc,bostjan/lxc,ioops/lxc,akshaykarle/lxc,sapun/lxc,GreatFruitOmsk/lxc,lisongmin/lxc,Pelagicore/lxc,DarknessBeforeDawn/lxc,aeris/lxc,LynxChaus/lxc,major/lxc,federicobriata/lxc,DarknessBeforeDawn/lxc,Distrotech/lxc,szaszg/lxc,hkjolhede/lxc,virajs/lxc,Pelagicore/lxc,regit/lxc,fwilson42/lxc,GreatFruitOmsk/lxc,codebauss/lxc,szaszg/lxc,jirislaby/lxc,ojkastl/lxc_Patches,armcc/lxc,major/lxc,DarknessBeforeDawn/lxc,lisongmin/lxc,Ponce/lxc,rowhit/lxc,szaszg/lxc,yubo/lxc,codebauss/lxc,raspberrypython/lxc,christiaan/lxc,Ponce/lxc,ecarrara/lxc,ksperis/lxc,ss1h2a3tw/lxc,regit/lxc