Fix reading config for browser environment
Fix reading config for browser environment

Push whatever ember-cli gives instead of re-creating the same.

tildeio/ember-cli-fastboot,kratiahuja/ember-cli-fastboot,ember-fastboot/ember-cli-fastboot,kratiahuja/ember-cli-fastboot,josemarluedke/ember-cli-fastboot,tildeio/ember-cli-fastboot,josemarluedke/ember-cli-fastboot,ember-fastboot/ember-cli-fastboot