SCRUM#29: Fix UTC offset on graphs

src/app/graphs-page/graphs-page.component.ts

@@ -60,6 +60,8 @@ export class GraphsPageComponent implements AfterViewInit {
 
 
       this.graphStartDate = new Date(this.series.start_date);
+      this.graphStartDate.setDate(this.graphStartDate.getDate() + 1);
+      
       let interval: number = 24 * 3600 * 1000; // Graph tick interval in milliseconds
       this.graphOptions.chart = { type: 'column' };
       if (this.selectedInterval == "Mensal" || this.selectedInterval == "Anual")