README: Fix typo in bandwidth to match CLI options.

Signed-off-by: Rogério Brito <rbrito@ime.usp.br>
README: Remove trailing whitespaces that end up in the manpages.

Signed-off-by: Rogério Brito <rbrito@ime.usp.br>
man: Regen manpage with hyphens escaped.

Otherwise, automated verification programs like Debian's lintian complain
about them.

Signed-off-by: Rogério Brito <rbrito@ime.usp.br>
Merge pull request #9 from rbrito/fix-typo

README: Fix typo in bandwidth to match CLI options.