Patch from ldap: Calendar sync done,need Ray's JS change

app/jobs/nccu_calendar.rb

@@ -1,8 +1,12 @@
 class NccuCalendar 
+  require 'open-uri'
   @queue = :high
 
   def self.perform()
-#    sleep 10
-    puts "NccuCalendar Sync"
+  File.open(File.join(Rails.root, 'public/static', 'nccu_calendar.rss'),'w') do |file|
+    file << open('http://events.nccu.edu.tw/Feed').read
+    CronMail.time_check("NCCU Calendar synced").deliver
+  end
+    puts "NccuCalendar Synced"
   end
 end