Adjust the height of vimeo bb-code
1.Mark logged-in username as bold font style
1.Fix NullPointeException in downloadAttach() when attach_id does not exist
Update translation for PasswordRecovery.emailSent in zh_TW an zh_CN
Change database.ping.delay from 3600 to 600 to avoid this warning: HikariPool-1 - keepaliveTime is greater than or equal to maxLifetime, disabling it.
Add translation for Config.Form.AllowPM
add classifier for hsqldb to use jdk8 version
Change version number to 2.8.2