Merge pull request #752 from Poeschl/runner-register-tokens

Add 'runners_token' attribute to group model.

src/main/java/org/gitlab4j/api/models/Group.java

 
 package org.gitlab4j.api.models;
 
-import java.util.Date;
-import java.util.List;
-
+import com.fasterxml.jackson.databind.annotation.JsonSerialize;
 import org.gitlab4j.api.utils.JacksonJson;
 
-import com.fasterxml.jackson.databind.annotation.JsonSerialize;
+import java.util.Date;
+import java.util.List;
 
 public class Group {
 
@@ -67,6 +66,7 @@ public class Group {
     private List<Project> projects;
     private List<Project> sharedProjects;
     private Date createdAt;
+    private String runnersToken;
 
     @JsonSerialize(using = JacksonJson.DateOnlySerializer.class)
     private Date markedForDeletionOn;
@@ -215,6 +215,14 @@ public class Group {
 	this.createdAt = createdAt;
     }
 
+    public String getRunnersToken() {
+        return runnersToken;
+    }
+
+    public void setRunnersToken(String runnersToken) {
+        this.runnersToken = runnersToken;
+    }
+
     public Group withId(Integer id) {
         this.id = id;
         return this;