Update build version file with 251

Author: Travis

globalblacklist.conf

@@ -17,11 +17,12 @@
 ### - https://github.com/oohnoitz/nginx-blacklist
 
 ### Last Updated
-### Updated: Mon May  1 10:08:27 SAST 2017
+### Updated: Tue May  2 13:04:34 UTC 2017
+### Build: v1.0.251
 ### End Last Updated
 
 ### Generated in
-### 0.285826444626 seconds
+### 0.0112445354462 seconds
 ### End Generated in
 
 ### Tested on: nginx/1.10.0 (Ubuntu 16.04)