few updates with fb integration and some other changes in user and supports data to android

Conflicts:
	vendor/built_in_modules/gallery/app/controllers/panel/gallery/back_end/albums_controller.rb

app/models/design/css_default.rb

@@ -4,5 +4,8 @@ class CssDefault < Stylesheet
   # belongs_to :desktop_widget
 
   belongs_to :css, polymorphic: true
+  def content
+    self.file.read.force_encoding("UTF-8") rescue ''
+  end
   
 end

app/models/desktop/facebook.rb

@@ -0,0 +1,9 @@
+class Facebook
+	include Mongoid::Document
+  	include Mongoid::Timestamps
+
+  	field :fb_identifier
+  	field :connected, type: Boolean
+
+  	belongs_to :user
+end

app/models/user/user.rb

@@ -26,6 +26,7 @@ class User
 
   has_many :managing_apps,:class_name => "AppManager", :dependent => :destroy
   has_one :desktop, :autosave => true, :dependent => :destroy
+  has_one :facebook, :autosave => true, :dependent => :destroy
   has_many :other_accounts, :autosave => true, :dependent => :destroy
   # has_many :journals, :autosave => true, :dependent => :destroy
   # has_many :papers, :autosave => true, :dependent => :destroy