Moved to Angular 6.0

----

Pending
* Table width for the points column in incentive
* Linting
* keyboard navigation where it was used earlier
* can remove the unused totals calculated serverside in productledger
* spinner and loading bars
* Activate Guard for Employee Function tabs
* Progress for Fingerprint uploads
* deleted reconcile and receipe features as they were not being used
* focus the right control on component load

overlord/src/app/attendance/attendance.service.spec.ts

@@ -0,0 +1,15 @@
+import {inject, TestBed} from '@angular/core/testing';
+
+import {VoucherService} from './attendance.service';
+
+describe('AttendanceService', () => {
+  beforeEach(() => {
+    TestBed.configureTestingModule({
+      providers: [VoucherService]
+    });
+  });
+
+  it('should be created', inject([VoucherService], (service: VoucherService) => {
+    expect(service).toBeTruthy();
+  }));
+});