Removing unnecessary resources, renaming persona_logo_transparent.png to...

Removing unnecessary resources, renaming persona_logo_transparent.png to persona-logo-transparent.png

resources/static/dialog/css/popup.css

@@ -70,7 +70,7 @@ header {
 .home {
   width: 161px;
   height: 40px;
-  background: url("/i/persona_logo_transparent.png") 0 0 no-repeat;
+  background: url("/i/persona-logo-transparent.png") 0 0 no-repeat;
   text-indent: -9999px;
   display: inline-block;
 }