New send flow for the Amazon integration

www/views/amazon.html

@@ -30,7 +30,8 @@
 
     <div class="m20t" ng-if="giftCards">
       <div class="list">
-        <a class="item item-icon-left item-icon-right" href ui-sref="tabs.giftcards.amazon.buy">
+        <a class="item item-icon-left item-icon-right" href
+          ui-sref="tabs.giftcards.amazon.amount">
           <i class="icon ion-bag"></i>
           Buy Gift Card
           <i class="icon bp-arrow-right"></i>

www/views/amount.html

@@ -16,12 +16,17 @@
         <i class="icon big-icon-svg" ng-if="isWallet">
           <img src="img/icon-wallet.svg" ng-style="{'background-color': toColor}" class="bg"/>
         </i>
-        <span ng-if="!isWallet">
+        <span ng-if="!isWallet && !buyAmazon">
           <gravatar ng-if="!cardId" class="send-gravatar" name="{{toName}}" width="30" email="{{toEmail}}"></gravatar>
           <i ng-if="cardId" class="icon big-icon-svg">
             <div class="bg icon-bitpay-card"></div>
           </i>
         </span>
+        <span ng-if="buyAmazon">
+          <i class="icon big-icon-svg">
+            <div class="bg icon-amazon"></div>
+          </i>
+        </span>
         <span class="m10l">{{toName || toAddress}}</span>
       </div>
     </div>

www/views/confirm.html

@@ -28,8 +28,11 @@
         <div class="item">
           <span class="label" translate>To</span>
           <span class="payment-proposal-to">
-            <img ng-if="!cardId" src="img/icon-bitcoin-small.svg">
+            <img ng-if="!cardId && !buyAmazon" src="img/icon-bitcoin-small.svg">
             <img ng-if="cardId" src="img/icon-card.svg" width="34">
+            <i ng-if="buyAmazon" class="icon big-icon-svg">
+              <div class="bg icon-amazon"></div>
+            </i>
 
             <div copy-to-clipboard="toAddress" ng-if="!paypro" class="ellipsis">
               <contact ng-if="!toName" address="{{toAddress}}"></contact>