Updating the mobile app

To reflect the new template in the mobile app, we will update mobile-app/src/pages/view-device/view-device.html, as follows:

<ion-header> 
  <ion-navbar> 
    <ion-title>Mobile App</ion-title> 
  </ion-navbar> 
</ion-header> 
<ion-content padding> 
  <div *ngIf="!lastRecord"> 
    <h3 class="text-center">Loading!</h3> 
  </div> 
  <div *ngIf="lastRecord"> 
    <ion-list> 
      <ion-item> 
        <ion-label>Name</ion-label> 
        <ion-label>{{device.name}}</ion-label> 
      </ion-item> 
      <ion-item> 
        <ion-label>X-Axis</ion-label> 
        <ion-label>{{lastRecord.data.acclVals.x}} {{lastRecord.data.acclVals.units}}</ion-label> 
      </ion-item> 
      <ion-item> 
        <ion-label>Y-Axis</ion-label> 
        <ion-label>{{lastRecord.data.acclVals.y}} {{lastRecord.data.acclVals...