Update worldwide number of dojos/countries:

yasulab · yasulab · commit 58540ebda2c9 · 2017-07-23T16:40:29.000+09:00
cf. RASPBERRY PI AND CODERDOJO JOIN FORCES https://www.raspberrypi.org/blog/raspberry-pi-and-coderdojo-join-forces/ Posted by Philip Colligan, CEO, Raspberry Pi Foundation 26th May 2017 at 7:00 am
diff --git a/app/models/dojo.rb b/app/models/dojo.rb
@@ -1,6 +1,6 @@
 class Dojo < ApplicationRecord
   NUM_OF_COUNTRIES   = "69"
-  NUM_OF_WHOLE_DOJOS = "1,200"
+  NUM_OF_WHOLE_DOJOS = "1,250"
   NUM_OF_JAPAN_DOJOS = Dojo.count.to_s
 
   serialize :tags
