Update favicon

Author: adrien1018

app/views/layouts/application.html.erb

@@ -1,5 +1,7 @@
 <% content_for :icon do %>
-<link rel="shortcut icon" href="/images/favicon.ico">
+<link rel="apple-touch-icon" sizes="180x180" href="/images/apple-touch-icon.png">
+<link rel="icon" type="image/png" sizes="32x32" href="/images/favicon-32x32.png">
+<link rel="icon" type="image/png" sizes="16x16" href="/images/favicon-16x16.png">
 <% end %>
 
 <% content_for :navbar do %>

app/views/layouts/contest.html.erb

@@ -1,5 +1,7 @@
 <% content_for :icon do %>
-<link rel="shortcut icon" href="/images/favicon_co.ico">
+<link rel="apple-touch-icon" sizes="180x180" href="/images/apple-touch-icon-contest.png">
+<link rel="icon" type="image/png" sizes="32x32" href="/images/favicon-contest-32x32.png">
+<link rel="icon" type="image/png" sizes="16x16" href="/images/favicon-contest-16x16.png">
 <% end %>
 
 <% content_for :navbar do %>

app/views/layouts/single_contest.erb

@@ -1,5 +1,7 @@
 <% content_for :icon do %>
-<link rel="shortcut icon" href="/images/favicon_co.ico">
+<link rel="apple-touch-icon" sizes="180x180" href="/images/apple-touch-icon-contest.png">
+<link rel="icon" type="image/png" sizes="32x32" href="/images/favicon-contest-32x32.png">
+<link rel="icon" type="image/png" sizes="16x16" href="/images/favicon-contest-16x16.png">
 <% end %>
 
 <% content_for :navbar do %>

config/initializers/active_admin.rb

@@ -146,7 +146,7 @@
 
   # == Setting a Favicon
   #
-  config.favicon = '/images/favicon_ap.ico'
+  config.favicon = '/images/favicon-admin.ico'
 
 
   # == Removing Breadcrumbs