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/employee/employee.service.ts

@@ -0,0 +1,73 @@
+import {Injectable} from '@angular/core';
+import {Observable} from 'rxjs/internal/Observable';
+import {catchError} from 'rxjs/operators';
+import {HttpClient, HttpHeaders, HttpParams} from '@angular/common/http';
+import {Employee} from './employee';
+import {ErrorLoggerService} from '../core/error-logger.service';
+
+const httpOptions = {
+  headers: new HttpHeaders({'Content-Type': 'application/json'})
+};
+
+const url = '/api/Employee';
+const serviceName = 'EmployeeService';
+
+@Injectable({providedIn: 'root'})
+export class EmployeeService {
+
+  constructor(private http: HttpClient, private log: ErrorLoggerService) {
+  }
+
+  get(id: string): Observable<Employee> {
+    const getUrl: string = (id === null) ? url : `${url}/${id}`;
+    return <Observable<Employee>>this.http.get<Employee>(getUrl)
+      .pipe(
+        catchError(this.log.handleError(serviceName, `get id=${id}`))
+      );
+  }
+
+  list(): Observable<Employee[]> {
+    const options = {params: new HttpParams().set('l', '')};
+    return <Observable<Employee[]>>this.http.get<Employee[]>(url, options)
+      .pipe(
+        catchError(this.log.handleError(serviceName, 'list'))
+      );
+  }
+
+  save(employee: Employee): Observable<Employee> {
+    return <Observable<Employee>>this.http.post<Employee>(url, employee, httpOptions)
+      .pipe(
+        catchError(this.log.handleError(serviceName, 'save'))
+      );
+  }
+
+  update(employee: Employee): Observable<Employee> {
+    return <Observable<Employee>>this.http.put<Employee>(`${url}/${employee.id}`, employee, httpOptions)
+      .pipe(
+        catchError(this.log.handleError(serviceName, 'update'))
+      );
+  }
+
+  saveOrUpdate(employee: Employee): Observable<Employee> {
+    if (!employee.id) {
+      return this.save(employee);
+    } else {
+      return this.update(employee);
+    }
+  }
+
+  delete(id: string): Observable<Employee> {
+    return <Observable<Employee>>this.http.delete<Employee>(`${url}/${id}`, httpOptions)
+      .pipe(
+        catchError(this.log.handleError(serviceName, 'delete'))
+      );
+  }
+
+  autocomplete(term: string): Observable<Employee[]> {
+    const options = {params: new HttpParams().set('q', term)};
+    return <Observable<Employee[]>>this.http.get<Employee[]>(url, options)
+      .pipe(
+        catchError(this.log.handleError(serviceName, 'autocomplete'))
+      );
+  }
+}