style(payment): Change "pending" to "incomplete".

Author: gtandersen

src/app/account-app/account-receipt.component.html

@@ -10,9 +10,9 @@ <h1>Payment receipt</h1>
   </div>
 
   <div *ngIf="receipt.status === 1">
-    <h1>Pending payment</h1>
+    <h1>Incomplete payment</h1>
     <p>
-      The details for your pending transaction are shown below.
+      The details for your incomplete transaction are shown below.
     </p>
     <h4>
       To complete your payment, please follow the instructions further down.