emberjs/ember.js — pull request #2905 by machty (2013-06-27 22:30:41+00:00)
Title: Quoteless route param in linkTo performs lookup

See: http://discuss.emberjs.com/t/upcoming-linkto-changes-ideas/1635

New behavior is wrapped in ENV.HELPER_PARAM_LOOKUPS flag,
named that way since the behavior will likely be applied to
actions as well.