Emphasise filename option in Synopsis and add explicitly the explanation of this option to the Options paragraph
Add introduction stub for configuration file to markdown manpage
Add fallback and timeout services explanations
Change subtitle for service options to Service-level options, as taken from stunnel's manpage
Correct documentation of 'timeout' service activation to match actual implementation :)
Document option 'bind'
Typo correction
Add stub for remaining global configuration options
Order global options documentation alphabetically
Automatic update of manpage according to markdown version