Merge pull request #80 from rtyley/remove-member-of-org

Add support for removing a user from an Organisation

src/main/java/org/kohsuke/github/GHOrganization.java

@@ -57,6 +57,14 @@ public boolean hasMember(GHUser user) {
         }
     }
 
+    /**
+     * Remove a member of the organisation - which will remove them from
+     * all teams, and remove their access to the organization’s repositories.
+     */
+    public void remove(GHUser user) throws IOException {
+        root.retrieve().method("DELETE").to("/orgs/" + login + "/members/"  + user.getLogin());
+    }
+
     /**
      * Checks if this organization has the specified user as a public member.
      */