added travis yml file
added travis yml file

shahata/angular-viewport-watch,lATAl/angular-viewport-watch,shahata/angular-viewport-watch,shahata/angular-viewport-watch,Karankang007/angular-viewport-watch,Karankang007/angular-viewport-watch,lATAl/angular-viewport-watch,lATAl/angular-viewport-watch,Karankang007/angular-viewport-watch