Fixes issue with Barcode type questions

- The "Barcode" question uses the `SCAN` code in the datastore
- Changed the question types to Ember.String.loc call to be able to
  translate those strings
- Removed trailing white spaces
- Setup the logging options for org.springframework* package, to
  avoid getting a WARN in the log
Issue #112 - Adds security rule for /remote_api path