add coin to preferences/info

+ refactor duplicate

www/views/preferencesCash.html

@@ -10,18 +10,16 @@
       <ion-toggle class="has-comment" ng-model="cashSupport.value" toggle-class="toggle-balanced" ng-change="cashSupportChange()">
         <span class="toggle-label" translate>Support Bitcoin Cash</span>
       </ion-toggle>
+    </div>
 
-      <div ng-show="!cashSupport.value">
-        <span translate>Enable Bitcoin Cash wallet creation and operation within the App.</span>
-        <a ng-click="openBitcoinCashWeb()">Learn more</a>
-      </div>
-
-
-      <div ng-if="cashSupport.value">
-        <span class="setting-value" translate>
-          <button ng-show="cashSupport.value" ui-sref="tabs.cash" translate>Check your current wallets for Bitcoin Cash</button>
-        </span>
+    <div class="settings-explanation">
+      <div class="settings-description" ng-show="!cashSupport.value">
+          <span translate>Enable Bitcoin Cash wallet creation and operation within the App.</span>
+          <a ng-click="openBitcoinCashWeb()">Learn more</a>
       </div>
     </div>
+    <div class="padding"  ng-if="cashSupport.value">
+      <a class="button button-standard button-primary"  ui-sref="tabs.preferencesCash.scan" translate>Scan your wallets for Bitcoin Cash</a>
+    </div>
   </ion-content>
 </ion-view>