Cors request with preflight using jquery and angular that works in ie, ff and webkit

RestClient.coffee

class RestClient
  constructor: (@endpoint,@$scope) ->

  populate: (callback) ->
    @populated = false
    @errored = false
    @data = {}
    jQuery.ajax(
      url: @endpoint
      xhrFields:
        withCredentials: true
      success: (d, status, jqXHR) =>
        Log.debug "Loaded data from #{@endpoint}: #{status}"
        Log.debug d
        @data = d
        @populated = true
        if callback?
          callback(d)
          @$scope.$apply()
      error: (jqXHR, status, error) =>
        Log.error "Error loading data from #{@endpoint}: #{status}"
        @errored = true
        if callback?
          callback("error")
          @$scope.$apply()
    )