Added lock icons instead of login required text

views/api/index.jade

@@ -7,24 +7,30 @@ block content
     li
       a(href='/api/aviary') Aviary
     li
-      a(href='/api/facebook') Facebook
+      a(href='/api/facebook')
-      small  (Login required)
+        i.fa.fa-lock
+        | Facebook
+
     li
-      a(href='/api/foursquare') Foursquare
+      a(href='/api/foursquare')
-      small  (Login required)
+        i.fa.fa-lock
+        | Foursquare
     li
-      a(href='/api/github') GitHub
+      a(href='/api/github')
-      small  (Login required)
+        i.fa.fa-lock
+        | GitHub
     li
       a(href='/api/lastfm') Last.fm
     li
       a(href='/api/nyt') New York Times
     li
-      a(href='/api/tumblr') Tumblr
+      a(href='/api/tumblr')
-      small  (Login required)
+        i.fa.fa-lock
+        | Tumblr
     li
-      a(href='/api/twitter') Twitter
+      a(href='/api/twitter')
-      small  (Login required)
+        i.fa.fa-lock
+        | Twitter
     li
       a(href='/api/scraping') Web Scraping
     li