Update CoffeeScript docs to use the current ES6 syntax
Update CoffeeScript docs to use the current ES6 syntax

thaume/emberjs-es6-modules,grese/miner-app-OLD,stefanpenner/ember-app-kit,michaelorionmcmanus/eak-bootstrap,kiwiupover/ember-weather,aboveproperty/ember-app-kit-karma,joliss/broccoli-todo,shin1ohno/EmberAppKit,mtian/ember-app-kit-azure,stefanpenner/ember-app-kit,tomclose/test_loading_problem,mtian/ember-app-kit-azure,digitalplaywright/eak-simple-auth,digitalplaywright/eak-simple-auth-blog-client,grese/miner-app-OLD,mharris717/eak_base_app,arjand/weddingapp,ebryn/ember-github-issues,ClockworkNet/ember-boilerplate,daevid/broccoli-todo,kiwiupover/seattle-auckland-weather,sajt/ember-weather,duvillierA/try_ember,lucaspottersky/ember-lab-eak,jwlms/ember-weather-legacy,grese/btcArbitrage,tobobo/thyme-frontend,trombom/ember-weather-traininig,tucsonlabs/ember-weather-legacy,tobobo/thyme-frontend,ghempton/ember-libs-example,mixonic/ember-app-kit,lucaspottersky/ember-lab-eak,shin1ohno/want-js,teddyzeenny/assistant,achambers/appkit-hanging-test-example,Anshdesire/ember-app-kit,kiwiupover/ember-weather,eriktrom/ember-weather-traininig,Anshdesire/ember-app-kit,tomclose/minimal_eak_test_stub_problem,cevn/tasky-web,ClockworkNet/ember-boilerplate,sajt/ember-weather,tobobo/vice-frontend