travis: Configure notifications
travis: Configure notifications

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

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