filemanager and some update for file uploader . added file uploader to kernel

app/models/user/user.rb

@@ -32,6 +32,7 @@ class User
   has_one :desktop, :autosave => true, :dependent => :destroy
   has_one :facebook, :autosave => true, :dependent => :destroy
   has_many :other_accounts, :autosave => true, :dependent => :destroy
+  has_many :assets, as: :assetable
   # has_many :journals, :autosave => true, :dependent => :destroy
   # has_many :papers, :autosave => true, :dependent => :destroy
   has_and_belongs_to_many :sub_role_tags