travis: Also install acl
travis: Also install acl

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

hallyn/lxd,sl1pm4t/lxd,hallyn/lxd,pcdummy/lxd,stgraber/lxd,ollie314/lxd,akshaykarle/lxd,rcj4747/lxd,tych0/lxd,techtonik/lxd,chrisglass/lxd,mjeanson/lxd,techtonik/lxd,lxc/lxd,lxc/lxd,basvanbeek/lxd,stgraber/lxd,tych0/lxd,jsavikko/lxd,hallyn/lxd,akshaykarle/lxd,benaryorg/lxd,Skarlso/lxd,dvbportal/osx-lxd,lxc/lxd,hallyn/lxd,yura-pakhuchiy/lxd,erikmack/lxd,Malizor/lxd,stgraber/lxd,stgraber/lxd,smoser/lxd,Skarlso/lxd,atxwebs/lxd,rrva/lxd,ericsnowcurrently/lxd,achanda/lxd,basvanbeek/lxd,stgraber/lxd,lxc/lxd,dvbportal/osx-lxd,ericsnowcurrently/lxd,pcdummy/lxd,sl1pm4t/lxd,jensg-st/lxd,jensg-st/lxd,jsavikko/lxd,dvbportal/osx-lxd,dustinkirkland/lxd,achanda/lxd,jumpstarter-io/lxd,georghopp/lxd,lxc/lxd,jsavikko/lxd,jensg-st/lxd,sl1pm4t/lxd,dustinkirkland/lxd,mjeanson/lxd,atxwebs/lxd,beni55/lxd,rrva/lxd,akshaykarle/lxd,lxc/lxd,yura-pakhuchiy/lxd,mikemccracken/lxd,atxwebs/lxd,dustinkirkland/lxd,achanda/lxd,georghopp/lxd,stgraber/lxd,ollie314/lxd,smoser/lxd,lxc/lxd,erikmack/lxd,benaryorg/lxd,smoser/lxd,Malizor/lxd,rrva/lxd,jumpstarter-io/lxd,Malizor/lxd,atxwebs/lxd,stgraber/lxd,beni55/lxd,yura-pakhuchiy/lxd,tych0/lxd,rcj4747/lxd,rcj4747/lxd,benaryorg/lxd,ericsnowcurrently/lxd,chrisglass/lxd,hallyn/lxd,hallyn/lxd,techtonik/lxd,chrisglass/lxd,mikemccracken/lxd,mjeanson/lxd,erikmack/lxd,beni55/lxd,ollie314/lxd,Skarlso/lxd,jumpstarter-io/lxd,pcdummy/lxd,mikemccracken/lxd,georghopp/lxd,basvanbeek/lxd,Skarlso/lxd