+ tooltips for the main navigation

* changed logo to official one
* slightly increase transaction fee

index.html

@@ -25,6 +25,7 @@
     <script src="./assets/scripts/datatables.min.js"></script>    
     <script src="./assets/scripts/iziModal.min.js"></script>    
     <script src="./assets/scripts/iziToast.min.js"></script>    
+    <script src="./assets/scripts/tippy.min.js"></script>    
     <script src="./assets/scripts/progressbar.min.js"></script>    
     <script src="./assets/scripts/sprintf.min.js"></script>        
     <script src="./assets/scripts/please-wait.js "></script>       
@@ -54,16 +55,16 @@
     <div class="inner">
       <!-- The sidebar -->
       <div class="sidebar">
-        <div class="sidebarIconWrapper iconSelected" id="mainNavBtnWalletsWrapper">
+        <div class="sidebarIconWrapper iconSelected" id="mainNavBtnWalletsWrapper" data-tippy="Wallets" data-tippy-delay="500">
           <a class="sidebarIcon" id="mainNavBtnWallets" href="#"><i class="fas fa-wallet fa-2x"></i></a>
         </div>
-        <div class="sidebarIconWrapper" id="mainNavBtnSendWrapper">
+        <div class="sidebarIconWrapper" id="mainNavBtnSendWrapper" data-tippy="Send Funds" data-tippy-delay="500">
           <a class="sidebarIcon" id="mainNavBtnSend" href="#"><i class="fas fas fa-share-square fa-2x"></i></a>
         </div>
-        <div class="sidebarIconWrapper" id="mainNavBtnTransactionsWrapper">
+        <div class="sidebarIconWrapper" id="mainNavBtnTransactionsWrapper" data-tippy="Transactions" data-tippy-delay="500">
           <a class="sidebarIcon" id="mainNavBtnTransactions" href="#"><i class="fas fa-exchange-alt fa-2x"></i></a>
         </div>
-        <div class="sidebarIconWrapper" id="mainNavBtnSettingsWrapper">
+        <div class="sidebarIconWrapper" id="mainNavBtnSettingsWrapper" data-tippy="Settings" data-tippy-delay="500">
           <a class="sidebarIcon" id="mainNavBtnSettings" href="#"><i class="fas fa-cog fa-2x"></i></a>
         </div>
         <div id="peerCount">