Use SVG format logos

gui/index.html

@@ -29,7 +29,7 @@
 
   <nav class="navbar navbar-top navbar-default" role="navigation">
     <div class="container">
-      <span class="navbar-brand"><img class="logo" src="assets/img/logo-text-64.png" height="32" width="117"/></span>
+      <span class="navbar-brand"><img class="logo" src="assets/img/logo-horizontal.svg" height="32" width="117"/></span>
       <p class="navbar-text hidden-xs">{{thisDeviceName()}}</p>
       <ul class="nav navbar-nav navbar-right">
         <li ng-if="upgradeInfo && upgradeInfo.newer">
@@ -925,7 +925,7 @@
   <!-- About modal -->
 
   <modal id="about" large="yes" close="yes" status="info" title="{{'About' | translate}}">
-    <h1 class="text-center"><img alt="Syncthing" title="Syncthing" src="assets/img/logo-text-256.png" style="vertical-align: -16px" height="100" width="366"/><br/><small>{{version}}</small></h1>
+    <h1 class="text-center"><img alt="Syncthing" title="Syncthing" src="assets/img/logo-horizontal.svg" style="vertical-align: -16px" height="100" width="366"/><br/><small>{{version}}</small></h1>
     <hr/>
 
     <p translate>Copyright &copy; 2014 Jakob Borg and the following Contributors:</p>