Fix modal displaying and add image to application entity.

cerberus/src/app/applications/create-application/create-application.component.html

@@ -1,4 +1,4 @@
-<div class="card">
+<div class="content">
   <h1>Add a new application</h1>
   <form [formGroup]="form" (ngSubmit)="onSubmit()" ngNativeValidate>
     <div class="form-control">
@@ -10,15 +10,19 @@
       <input id="service-name" formControlName="serviceName" placeholder="Enter service name" required/>
     </div>
     <div class="form-control">
-      <label for="service-type">Type:</label>
+      <label for="service-type">Type</label>
       <select id="service-type" formControlName="serviceType" placeholder="Enter service type">
         <option *ngFor="let type of serviceTypes" [value]="type.value">
           {{type.label}}
         </option>
       </select>
     </div>
+    <div class="form-control">
+      <label for="image">Image</label>
+      <input id="image" formControlName="image" placeholder="Enter image url" required/>
+    </div>
     <div class="row action">
-      <button type="button" class="secondary">Cancel</button>
+      <button type="button" class="secondary" (click)="onCancel()">Cancel</button>
       <button type="submit">Save</button>
     </div>
   </form>