Taken from PR 199918 with minor modifications
Proposed commit message:
new port: www/rubygem-mousetrap-rails Mousetrap is a javascript library for handling keyboard shortcuts. This gem integrates Mousetrap with the Rails asset pipeline. WWW: http://kugaevsky.github.io/mousetrap-rails/ PR: 199918 Submitted by: Torsten Zuehlsdorff <ports@toco-domains.de> Approved by: swills (mentor), mat (mentor)