* some renames
 * re-arranged test data
 * some renames to match coding standards
 * extracted method for registration
 * added resources for offline use
 * using standard logging for debug info
 * factored out duplicate logic for writing the transformed image
 * created basic test for registrations
 * added unsuccessful form registration case
 * added option to overwrite resources if outcome changed
 * added extraction test stub
 * added samples of extracted images
 * made extraction API a bit more flexible
 * using C1 trained set
 * corrected css for when uploading the wrong form
 * added Meindert to contact page