update gradle props group

yarinvak · yarinvak · commit a791296cdd1e · 2017-11-25T12:50:09.000+02:00
diff --git a/gradle.properties b/gradle.properties
@@ -1,4 +1,4 @@
-group = com.graphql-java
+group = io.github.graphql-java
 
 org.gradle.caching=true
 org.gradle.daemon=true
