Relocate `login_form` action hook outside `bbp-submit-wrapper` form submit wrapper in `form-user-login.php` and `form-user-lost-pass.php` templates. Props icu0755. Fixes #2500 (trunk)

git-svn-id: https://bbpress.svn.wordpress.org/trunk@5241 9866e705-20ec-0310-96e7-cbb4277adcfb
For single admin settings that contain both checkboxes and select drop-downs, use two labels. Fixes poor UX in some browsers. Props netweb. Fixes #2393. (trunk)

git-svn-id: https://bbpress.svn.wordpress.org/trunk@5242 9866e705-20ec-0310-96e7-cbb4277adcfb