TravisCI: Reenabled email notifications
TravisCI: Reenabled email notifications

Only once for failing tests though

shadowoneau/skylines,dkm/skylines,kerel-fs/skylines,dkm/skylines,RBE-Avionik/skylines,shadowoneau/skylines,shadowoneau/skylines,skylines-project/skylines,TobiasLohner/SkyLines,Turbo87/skylines,Harry-R/skylines,TobiasLohner/SkyLines,kerel-fs/skylines,Harry-R/skylines,snip/skylines,RBE-Avionik/skylines,Turbo87/skylines,Harry-R/skylines,kerel-fs/skylines,dkm/skylines,Turbo87/skylines,shadowoneau/skylines,RBE-Avionik/skylines,snip/skylines,dkm/skylines,Harry-R/skylines,Turbo87/skylines,RBE-Avionik/skylines,skylines-project/skylines,skylines-project/skylines,snip/skylines,skylines-project/skylines,TobiasLohner/SkyLines