Fix filenames and urls.

client/components/main/layouts.jade

@@ -7,10 +7,10 @@ head
     where the application is deployed with a path prefix, but it seems to be
     difficult to do that cleanly with Blaze -- at least without adding extra
     packages.
-  link(rel="shortcut icon" href="/favicon.png")
+  link(rel="shortcut icon" href="/wekan-favicon.png")
-  link(rel="apple-touch-icon" href="/favicon.png")
+  link(rel="apple-touch-icon" href="/wekan-favicon.png")
-  link(rel="mask-icon" href="/logo-150.svg")
+  link(rel="mask-icon" href="/wekan-logo-150.svg")
-  link(rel="manifest" href="/manifest.json")
+  link(rel="manifest" href="/wekan-manifest.json")
 
 template(name="userFormsLayout")
   section.auth-layout
@@ -20,7 +20,7 @@ template(name="userFormsLayout")
       br
     //else
     //  h1.at-form-landing-logo
-    //    img(src="{{pathFor '/logo.png'}}" alt="")
+    //    img(src="{{pathFor '/wekan-logo.png'}}" alt="")
     section.auth-dialog
       +Template.dynamic(template=content)
       if currentSetting.displayAuthenticationMethod