Log Message:
Update ruby-thor to 0.17.0.

0.17.0, release 2013-01-24

    Add better support for tasks that accept arbitrary additional arguments \ 
(e.g. things like bundle exec)
    Add #stop_on_unknown_option!
    Only strip from stdin.gets if it wasn't ended with EOF
    Allow "send" as a task name
    Allow passing options as arguments after "--"
    Autoload Thor::Group

0.16.0, release 2012-08-14

    Add enum to string arguments

0.15.4, release 2012-06-29

    Fix regression when destination root contains reserved regexp characters

0.15.3, release 2012-06-18

    Support strict_args_position! for backwards compatibility
    Escape Dir glob characters in paths

0.15.2, released 2012-05-07

    Added print_in_columns
    Exposed terminal_width as a public API

0.15.1, release 2012-05-06

    Fix Ruby 1.8 truncation bug with unicode chars
    Fix shell delegate methods to pass their block
    Don't output trailing spaces when printing the last column in a table

0.15, released 2012-04-29

    Alias method_options to options
    Refactor say to allow multiple colors
    Exposed error as a public API
    Exposed file_collision as a public API
    Exposed print_wrapped as a public API
    Exposed set_color as a public API
    Fix number-formatting bugs in print_table
    Fix "indent" typo in print_table
    Fix Errno::EPIPE when piping tasks to head
    More friendly error messages