Fix #175. Bring back support checking for radio field values.
- Added calls to Object#extend in EditableFormField's getFieldConfiguration and getFieldValidationOptions
- Added tests for extensions on EditableFormField
Merge pull request #178 from nikrolls/extendable-formfield-configuration

Enable extensions to add CMS fields to FieldConfiguration and FieldValidation of EditableFormField
BUG: Fixes #69 by adding a check to see if the form has been processed
BUG: Fixes #179 broken unit tests caused by tests not having classes for ExtendedEditableFormField
Merge pull request #181 from silverstripe-rebelalliance/issue179

BUG: Fixes #179 broken unit tests caused by tests not having classes for...
NEW Allow EditableFileField to define destination folder. (Fixes #20, #177)
Merge branch 'master' of git://github.com/silverstripe/silverstripe-userforms into issue69
BUG: Fixing unit tests for form processing and adding unit test to check if form has been completed
Merge pull request #180 from silverstripe-rebelalliance/issue69

BUG: Fixes #69 by adding a check to see if the form has been processed