Fix rendering of bitmaksed attributes

The Rails form builder appeears to ignore the value of a form
attribute unless it's a string. However symbols are needed for
i18n lookup. The fix is to map to string in the form object.
Merge pull request #256 from ministryofjustice/bug-fix/fix-rendering-of-bitmasked-attributes

Fix rendering of bit masked attributes (closes #244)
Fix attached document display on review page. Fixes #242
Fixes save behaviour for RepresentativeForm (fixes #261)

When RepresentaiveForm#has_representative? is false:
  - Do not create representative relation on claim
  - Destroy relation is exists

When RepresentaiveForm#has_representative? is true:
  - Create representative relation on claim
  - Do not destroy relation is exists
Merge pull request #260 from ministryofjustice/bug-fix/attached-document-display-on-review-page

Fix attached document display on review page. Fixes #242
Merge pull request #262 from ministryofjustice/bug-fix/do-not-create-representative-if-user-chooses-no

Fixes save behaviour for RepresentativeForm (fixes #261)
fix has_representative translation showing extra label
fix pdf attachment being downloaded as text
Merge pull request #263 from ministryofjustice/fix_has_representative_translation

fix has_representative translation showing extra label
Fix RepresentativeForm#has_representative?

Return false unless representative relation is persisted.
Merge pull request #265 from ministryofjustice/bug-fix/pre-select-no-on-representative

Fix RepresentativeForm#has_representative?
Remove irrelevant text from Representative form. Fixes #267.
Merge pull request #264 from ministryofjustice/pdf_attachment_fix

fix pdf attachment being downloaded as text
EmploymentForm fixes

  - Do not save employment if user set #was_employed to no
  - Destroy existing employment if user set #was_employed to no
  - Pre-select no the first time user sees page (instead of yes)
Merge pull request #269 from ministryofjustice/bug-fix/preselect-no-do-not-save-employment-if-was-not-employed

EmploymentForm fixes
Merge pull request #268 from ministryofjustice/big-fix/remove-irrelevant-text-from-representative-address

Remove irrelevant text from Representative form. Fixes #267.
Speed edit

Submitting a form having come from the review page will return the
user to the review page.
lined up edit links. hot fix, will cleanup in another branch.
Merge pull request #205 from ministryofjustice/speed-edit

Speed edit
Fix #119:
  - Strips commas from user input on pay fields
  - Validates numericality of pay fields
  - Changes payment field's input type to text (browser doesn't
    even send non-numeric values)

Closes #119.