mod_http_oauth2: Focus username field automatically Reduces effort, not having to click or tab to focus the username field. Should have no negative effects since there's no other elements one might want to focus.

2c07bcf56a36d6e74dc0f5422e89bd61f4d31239 0.8-diverge
1656d4fd71d07aa3a52da89d4daf7723a555e7dd last-google-code-commit