token now returns expiration time in seconds

Change-Id: I70e70ed3c6a2e93bd54de4e7f8e56adbd05e3fae

authentication-module/src/main/java/net/jami/jams/authmodule/TokenController.java

@@ -72,7 +72,7 @@ public class TokenController{
             signedJWT.sign(new RSASSASigner(signingKey));
             UserAuthenticationModule.datastore.getJwtDao().storeObject(signedJWT);
             authTokenResponse.setAccess_token(signedJWT.serialize());
-            authTokenResponse.setExpires_in(30*60*1000L);
+            authTokenResponse.setExpires_in(30*60L);
             authTokenResponse.setToken_type("Bearer");
             return authTokenResponse;
         }