GH-1080 Fix C3 Time Axis

Fixes GH-1080

Signed-off-by: Mathew Zummo <[email protected]>

Author: mzummo

src/c3chart/CommonND.js

@@ -149,7 +149,7 @@
 
         this.c3Chart.internal.config.axis_y_tick_format = this.yAxisTickFormat() ? d3.format(this.yAxisTickFormat()) : undefined;
         if (this.xAxisType() === "time") {
-            this.c3Chart.internal.config.axis_x_tick_format = this.xAxisTickFormat() ? d3.time.format(this.xAxisTickFormat()) : undefined;
+            this.c3Chart.internal.config.axis_x_tick_format = this.xAxisTickFormat() ? d3.time.format(this.xAxisTickFormat()) : "%Y-%m-%d %I:%M:%S %p";
         } else {
             this.c3Chart.internal.config.axis_x_tick_format = this.xAxisTickFormat() ? d3.format(this.xAxisTickFormat()) : undefined;
         }