FIX: field validation
Correct location for getValueFromData()
Merge branch 'master' of https://github.com/silverstripe/silverstripe-userforms

# By Will Rossiter
# Via Will Rossiter
* 'master' of https://github.com/silverstripe/silverstripe-userforms:
  Correct location for getValueFromData()
  FIX: field validation

Conflicts:
	code/model/formfields/EditableFileField.php