lxc-ubuntu: Add mirror and security-mirror options
lxc-ubuntu: Add mirror and security-mirror options

Signed-off-by: Guilhem Lettron <cd594e0e6fab0a9457242194da9640eb8ce6f2d4@optiflows.com>
Acked-by: Stéphane Graber <089afc6d81f66f1168a9849e15660feae286e024@ubuntu.com>

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