* moved JSON read writes to database.js

+ show commutative price and price per etho
+ use Roboto as the default font
+ use subscribe for new blocks to sync transactions better

assets/templates/addressBook.html

@@ -18,7 +18,7 @@
                         <th scope="row" class="colEdit"><button type="button" class="btn btn-etho btnChangAddressName" data-address="{{address}}" data-name="{{name}}">Edit</button></th>
                         <td>{{name}}</td>
                         <td><span class="textAddress">{{address}}</span></td>
-                        <td><button type="button" class="btn btn-etho btnDeleteAddress" data-wallet="{{address}}"><i class="far fa-trash-alt"></i></button></td>
+                        <td><button type="button" class="btn btn-etho btnDeleteAddress" data-address="{{address}}"><i class="far fa-trash-alt"></i></button></td>
                     </tr>
                 {{/addressData}}
             </tbody>

assets/templates/wallets.html

@@ -2,7 +2,10 @@
     <button type="button" class="btn btn-etho" id="btnNewAddress"><i class="fas fa-plus"></i></button>    
     <button type="button" class="btn btn-etho" id="btnExportAccounts"><i class="fas fa-file-export"></i></button>    
     <button type="button" class="btn btn-etho" id="btnImportAccounts"><i class="fas fa-file-import"></i></button>    
-    <div id="sumBalance">Total ETHO: <span class="sumBalance">{{sumBalance}}</span></div>
+    <div id="sumBalance">
+        <span class="sumBalance" id="labelSumBalance">{{sumBalance}}</span>
+        <span class="sumCurrency"  id="labelSumCurrency">ETHO</span>
+        <span class="sumDollars" id="labelSumDollars">/ 0.00 $ / 0.00 $ per ETHO</span></div>
 </div>
 <div id="addressList" class="{{#if addressData.length}}walletsWrapper{{else}}noWalletsWrapper{{/if}}">
     {{#if addressData.length}}