Added a config properties for a long-time access token expiry and
excluded refresh tokens for public clients in OAuth2 token responses.

Change-Id: Ie1cbf65bc605ab93202642030db9a1893a1cc9a8
diff --git a/full/src/main/resources/kustvakt.conf b/full/src/main/resources/kustvakt.conf
index 68577ae..62546c6 100644
--- a/full/src/main/resources/kustvakt.conf
+++ b/full/src/main/resources/kustvakt.conf
@@ -60,6 +60,7 @@
 oauth2.max.attempts = 1
 # expiry in seconds (S), minutes (M), hours (H), days (D)
 oauth2.access.token.expiry = 1D
+oauth2.access.token.long.expiry = 365D
 oauth2.refresh.token.expiry = 90D
 oauth2.authorization.code.expiry = 10M
 # -- scopes separated by space