Suggest use of ipfs daemon in mount help message

License: MIT
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Add missing 'mount' in mount synopsis

License: MIT
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Remove 'SYNOPSIS' from short help text

It takes some space and it looks like it
applies to the description too.

License: MIT
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Merge pull request #354 from chriscool/improve_help_messages

Improve help messages