removed invalid spec urls in example100.html

Author: mrin9

docs/example100.html

@@ -55,9 +55,9 @@
              "https://petstore.swagger.io/v2/swagger.json" 
             ,"https://api.apis.guru/v2/specs/amazonaws.com/acm/2015-12-08/swagger.json"
             ,"https://api.apis.guru/v2/specs/bitbucket.org/2.0/swagger.json", 
-            ,"https://api.apis.guru/v2/specs/appveyor.com/0.20181229.0/swagger.json"
+            ,"https://api.apis.guru/v2/specs/appveyor.com/1.0.0/swagger.json"
             ,"https://api.apis.guru/v2/specs/github.com/v3/swagger.json"
-            ,"https://api.apis.guru/v2/specs/box.com/content/2.0/swagger.json"
+            ,"https://api.apis.guru/v2/specs/box.com/2.0/openapi.json"
             ,"https://api.apis.guru/v2/specs/twilio.com/2010-04-01/swagger.json"
             ,"https://api.apis.guru/v2/specs/amadeus.com/1.2/swagger.json"
             ,"https://api.apis.guru/v2/specs/stackexchange.com/2.0/swagger.json"