* Added "rake about" as a replacement for script/about [DHH]
* Removed all the default commands in script/* and replaced them with script/rails and a rails command that'll act the same when run from within the app [DHH]. Example:
./script/generate scaffold post title:string can now be called as rails g scaffold post title:string
desc'Displays names of all time zones recognized by the Rails TimeZone class, grouped by offset. Results can be filtered with optional OFFSET parameter, e.g., OFFSET=-6'