Strip trailing spaces.
Latest version of MySQL on brew sets --bind-address by default.
Typo fix.
Clarify and add error note.

OS X 10.8.5 comes with Ruby 1.8.6 but Mavericks (10.9) should ship with
Ruby 2.0.0
Add command line example to change bin_path to OS X path.
Merge pull request #1 from jacopotarantino/Updates

Updates