Updated the AllJudge model

- added new columns:
    :original_name, :suffix, :prefix, :surname

- removed name column name
Added an example for AllJudge.list
Return appropriate judge name
merged
working with suffix, surname, prefix
spec passing
Merge branch 'develop' into feature/manage-judges-2
spec passing
Merge pull request #149 from ministryofjustice/feature/manage-judges-2

Feature/manage judges 2