update ember libs
active model serializer included in ember-rails
add haml-like emblem templating engine
use fixture adapter until backend is updated
rewrite template to emblem
rewrite contacts list to emblem
fix loading records after ember-data upgrade
fix relations after ember-data upgrade
fix relations after ember-data upgrade
add fixture date until backend is upgraded
fix relations
rewrite template to emblem
add another phone number for testing purposes
rewrite template to emblem
rewrite template to emblem
create new record in route
make use of promise
actions handlers implemented directly are deprecated
dont use deprecated helper
move normal method out of actions scope