Change defaults for auto + linear

src/scales/scale.time.js

@@ -41,7 +41,7 @@ module.exports = function(Chart) {
 		},
 		ticks: {
 			autoSkip: false,
-			mode: 'series',   // 'linear|series'
+			mode: 'linear',   // 'linear|series'
 			source: 'auto'    // 'auto|labels'
 		}
 	};