using device title pipe to consistently set the device name based on configuration setting.

adding device status pipe to set the device status in a more readable way.

webapp/frontend/src/app/shared/device-status.pipe.spec.ts

@@ -0,0 +1,8 @@
+import { DeviceStatusPipe } from './device-status.pipe';
+
+describe('DeviceStatusPipe', () => {
+  it('create an instance', () => {
+    const pipe = new DeviceStatusPipe();
+    expect(pipe).toBeTruthy();
+  });
+});