Update ruby-highline to 1.6.14.

= Change Log

Below is a complete listing of changes for each revision of HighLine.

== 1.6.14

* Added JRuby 1.7 support (by Mina Nagy).
* Take into account color escape sequences when wrapping text (by Mark J.
  Titorenko).

== 1.6.13

* Removed unneeded Shebang lines (by Scott Gonyea).
* Protect the String passed to Question.new from modification (by michael).
* Added a retype-to-verify setting (by michael).

(taca)