added functionality to submitted form field allowing it to find the equivalent editable form field
Merge branches 'getEditableField' and 'master' of git://github.com/dnadesign/silverstripe-userforms

* 'getEditableField' of git://github.com/dnadesign/silverstripe-userforms:
  added functionality to submitted form field allowing it to find the equivalent editable form field

* 'master' of git://github.com/dnadesign/silverstripe-userforms: