Fix web app manifests

app/views/layouts/application.html.haml

@@ -5,10 +5,10 @@
     %meta{:name => 'viewport', :content => 'width=device-width, initial-scale=1'}/
     %meta{'http-equiv' => 'X-UA-Compatible', :content => 'IE=edge'}/
 
-    %link{:rel => "apple-touch-icon", :sizes => "180x180", :href => "/assets/apple-touch-icon.png"}/
-    %link{:rel => "manifest", :href => "/assets/manifest.json"}/
-    %meta{:name => "msapplication-config", :content => "/assets/browserconfig.xml"}/
-    %meta{:name => "theme-color", :content => "#ffffff"}/
+    %link{:rel => "apple-touch-icon", :sizes => "180x180", :href => "/apple-touch-icon.png"}/
+    %link{:rel => "manifest", :href => "/manifest.json"}/
+    %meta{:name => "msapplication-config", :content => "/browserconfig.xml"}/
+    %meta{:name => "theme-color", :content => "#2b90d9"}/
 
     %title
       = "#{yield(:page_title)} - " if content_for?(:page_title)

public/browserconfig.xml

@@ -2,7 +2,7 @@
 <browserconfig>
   <msapplication>
     <tile>
-      <square150x150logo src="/assets/mstile-150x150.png"/>
+      <square150x150logo src="/mstile-150x150.png"/>
       <TileColor>#2b5797</TileColor>
     </tile>
   </msapplication>

public/manifest.json

@@ -3,7 +3,7 @@
 	"description": "Mastodon is a free, open-source social network server.",
 	"icons": [
 		{
-			"src": "\/assets\/android-chrome-192x192.png",
+			"src": "\/android-chrome-192x192.png",
 			"sizes": "192x192",
 			"type": "image\/png"
 		}