Log Message:
www/ruby-jekyll-watch: update to 2.0.0

2.0.0						2016/12/02

Development Fixes

* Update versions for Travis (#43)
* Define path with dir (#48)
* Remove version lock for dependency listen (#50)
* Inherit Jekyll's rubocop config for consistency (#51)
* Update jekyll-watch (#53)
* Drop support for old Ruby and old Jekyll (#55)

Minor Enhancements

* Output regenerated file paths to terminal (#57)

Major Enhancements

* Remove unnecessary method (#56)