proc for Assetfile to ensure Ember templates get the correct name

gistfile1.txt

ember_template_name_proc = proc { |input|
  dir = File.dirname(input.path)
  dir = dir.sub!('templates/', '')
  template_name = File.basename(input.path, File.extname(input.path))
  template_name = dir + '/' + template_name if !dir.nil?
  template_name
}