feat(travis): add slack notifications
feat(travis): add slack notifications

hcaceres0515/masinmobiliaria,huazai128/angular2-admin,huazai128/angular2-admin,TigerDevGit/angular2-HR_management,eko-point/ng2-admin,AlbertXingZhang/ng2-admin,jeffrychristian93/PJIDEMO,supun19/directPayFrontend,VictorPavlyuk/AngularJS,jeffrychristian93/PJIDEMO,AtouiIlyes/AngularBackend,radni1234/ng2-admin,brendancopley/playluv,hcaceres0515/masinmobiliaria,AtouiIlyes/AngularBackend,pulfabio/pv-datalogger,TrungVuDang/ng2-admin,TrungVuDang/ng2-admin,TrungVuAnt/ng2-admin,TigerDevGit/angular2-HR_management,ranstyr/whizzco,TrungVuDang/ng2-admin,akveo/nebular,kuem2405/vmemo,brendancopley/playluv,julien-noblet/calcoo,cristirosu/rpg-scheduler-front,akveo/nebular,bajajpayal/ng2-admin,ivanmaulana/simeta,flxc4p4str/NYA_Portal,TrungVuAnt/ng2-admin,bajajpayal/ng2-admin,Enrika/angular2-test,jskrnbindra/AMSsidebarExtract,AlbertXingZhang/ng2-admin,zertyz/observatorio-SUAS-relatorios,brendancopley/playluv,AtouiIlyes/AngularBackend,Enrika/angular2-test,huazai128/angular2-admin,julien-noblet/calcoo,hcaceres0515/masinmobiliaria,ranstyr/whizzco,julien-noblet/calcoo,pulfabio/pv-datalogger,jeffrychristian93/PJIDEMO,sahil0026/pint,flxc4p4str/NYA_Portal,eko-point/ng2-admin,akveo/nebular,eko-point/ng2-admin,ramsunvtech/ng2-admin,ivanmaulana/simeta,fbricenho/lagomar-dashboard,supun19/directPayFrontend,fbricenho/lagomar-dashboard,sahil0026/pint,zertyz/observatorio-SUAS-relatorios,flxc4p4str/NYA_Portal,AtouiIlyes/AngularBackend,TrungVuDang/ng2-admin,supun19/directPayFrontend,ashikul/6sixer-analytics,jskrnbindra/AMSsidebarExtract,sahil0026/pint,jeffrychristian93/PJIDEMO,TigerDevGit/angular2-HR_management,radni1234/ng2-admin,fbricenho/lagomar-dashboard,AlbertXingZhang/ng2-admin,AlbertXingZhang/ng2-admin,ashikul/6sixer-analytics,ranstyr/whizzco,julien-noblet/calcoo,ramsunvtech/ng2-admin,AlbertXingZhang/ng2-admin,bajajpayal/ng2-admin,Enrika/angular2-test,bajajpayal/ng2-admin,ramsunvtech/ng2-admin,huazai128/angular2-admin,radni1234/ng2-admin,cristirosu/rpg-scheduler-front,radni1234/ng2-admin,ivanmaulana/simeta,jskrnbindra/AMSsidebarExtract,cristirosu/rpg-scheduler-front,kuem2405/vmemo,zertyz/observatorio-SUAS-relatorios,VictorPavlyuk/AngularJS,sahil0026/pint,kuem2405/vmemo,TigerDevGit/angular2-HR_management,flxc4p4str/NYA_Portal,TrungVuAnt/ng2-admin,zertyz/observatorio-SUAS-relatorios,pulfabio/pv-datalogger,VictorPavlyuk/AngularJS,ramsunvtech/ng2-admin,ashikul/6sixer-analytics,eko-point/ng2-admin,kuem2405/vmemo,hcaceres0515/masinmobiliaria,brendancopley/playluv,akveo/nebular,cristirosu/rpg-scheduler-front,VictorPavlyuk/AngularJS,TrungVuAnt/ng2-admin,Enrika/angular2-test,ashikul/6sixer-analytics,jskrnbindra/AMSsidebarExtract,fbricenho/lagomar-dashboard,supun19/directPayFrontend,ranstyr/whizzco,pulfabio/pv-datalogger,ivanmaulana/simeta