Add back SettingsIssueTrackerIntegration.png

Signed-off-by: Sup Yut Sum <ch3cooli@gmail.com>
Document the new options in Dialogs Settings

Signed-off-by: Sup Yut Sum <ch3cooli@gmail.com>
Document the new options in Log Dialog

Signed-off-by: Sup Yut Sum <ch3cooli@gmail.com>