respect newlines for wall messages

app/assets/javascripts/main.js.coffee

@@ -41,6 +41,9 @@ window.linkify = (str) ->
   exp = /(\b(https?|ftp|file):\/\/[-A-Z0-9+&@#\/%?=~_|!:,.;]*[-A-Z0-9+&@#\/%=~_|])/ig
   return str.replace(exp,"<a href='$1'>$1</a>")
+window.simpleFormat = (str) ->
+  linkify(sanitize(str).replace(/\n/g, '<br />'))
+
 window.startSpinner = ->
   $('.turbolink-spinner').fadeIn()

app/assets/javascripts/wall.js.coffee

@@ -61,7 +61,7 @@ class Wall
     template = @noteTemplate()
     template = template.replace('{{author_name}}', note.author.name)
     template = template.replace(/{{created_at}}/g, note.created_at)
-    template = template.replace('{{text}}', linkify(sanitize(note.body)))
+    template = template.replace('{{text}}', simpleFormat(note.body))
     if note.attachment
       file = '<i class="icon-paper-clip"/><a href="/files/note/' + note.id + '/' + note.attachment + '">' + note.attachment + '</a>'