Update Travis configuration
Update Travis configuration

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

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