Design tab for profile. Colorscheme as db value

app/models/tree.rb

@@ -7,6 +7,8 @@ class Tree
     :name,
     :data,
     :mime_type,
+    :mode,
+    :size,
     :text?,
     :colorize,
     :to => :tree

app/models/user.rb

@@ -6,7 +6,7 @@ class User < ActiveRecord::Base
 
   # Setup accessible (or protected) attributes for your model
   attr_accessible :email, :password, :password_confirmation, :remember_me,
-                  :name, :projects_limit, :skype, :linkedin, :twitter
+                  :name, :projects_limit, :skype, :linkedin, :twitter, :dark_scheme
 
   has_many :users_projects, :dependent => :destroy
   has_many :projects, :through => :users_projects