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Only show the first 8 characters of the commit hashes.
Made the output of updating a bit nicer and log more if --verbose.
Don't print that there are _and_ aren't formulae updates.
Removed the old 'update' when clause and fixed a small spelling error.
Update Homebrew and list the updated formulae.
New method which uses RubyCocoa with the FSEvents API from Rucola to watch if
files aren't installed outside the Homebrew prefix. Right now the paths being
watched are: /System, /usr, /etc, /sbin, /bin, and /Applications.
Reference the full path to the `brew' bin.