fixed project root path is changed!

change Controller prepend_view_path method return value, missing template errors.

app/controllers/kindeditor/assets_controller.rb

@@ -46,17 +46,17 @@ def list
       return
     end
 
-    Dir.chdir(Rails.public_path)
+    upload_path = Rails.public_path
     RailsKindeditor.upload_store_dir.split('/').each do |dir|
-      Dir.mkdir(dir) unless Dir.exist?(dir)
-      Dir.chdir(dir)
-    end
-
-    Dir.mkdir(@dir) unless Dir.exist?(@dir)
-
+      upload_path += dir
+      Dir.mkdir(upload_path) unless Dir.exist?(upload_path)      
+    end    
+
     @root_path += @dir + "/"
     @root_url += @dir + "/"
 
+    Dir.mkdir(@root_path) unless Dir.exist?(@root_path)
+
     @path = params[:path].strip || ""
     if @path.empty?
       @current_path = @root_path
@@ -124,4 +124,4 @@ def show_error(msg)
     render :plain => ({:error => 1, :message => msg}.to_json)
   end
 
-end
+end