Add read:org permission request at first login

Change-Id: I6083ffeff4dce3766aae9256b3c3015614da80f6

github-oauth/src/main/java/com/googlesource/gerrit/plugins/github/oauth/GitHubLogin.java

diff --git a/github-oauth/src/main/java/com/googlesource/gerrit/plugins/github/oauth/GitHubLogin.java b/github-oauth/src/main/java/com/googlesource/gerrit/plugins/github/oauth/GitHubLogin.java
index 081d6c1..c9615b1 100644
--- a/github-oauth/src/main/java/com/googlesource/gerrit/plugins/github/oauth/GitHubLogin.java
+++ b/github-oauth/src/main/java/com/googlesource/gerrit/plugins/github/oauth/GitHubLogin.java
@@ -47,7 +47,7 @@
   private static final long serialVersionUID = 1L;
   private static final Logger log = LoggerFactory.getLogger(GitHubLogin.class);
   private static final List<Scope> DEFAULT_SCOPES = Arrays.asList(
-      Scope.PUBLIC_REPO, Scope.USER_EMAIL);
+      Scope.PUBLIC_REPO, Scope.USER_EMAIL, Scope.READ_ORG);
   private static final long SCOPE_COOKIE_NEVER_EXPIRES = DAYS
       .toSeconds(50 * 365);