Employment Reveal by PubSub
Refactor
 - Don't need to use ClaimFeeCalculator
 - I18n
 - I18n payments stuff I'd forgot to do before (naughty)
 - Handle 0 claimants in ClaimFeeCalculator
Merge pull request #143 from ministryofjustice/front-end/fee

Your Fee Form Page
PDF generation
move spec for testing PDF into feature (removed fixtures. whoop!)
moved presentation methods to presenters. DRYed some of the presenter hash merging. Use relative path for pdf_forms lib
add pdftk to travis
fix to handle different implemntations of pdftk treating empty strings differently
Brings up to date with master
Some PDF work refactor.

 - Minor changes
 - Rename ClaimantPresenter > PrimaryClaimantPresenter for the above. ET1 form
   only has one claimant also.
 - Remove superfluous controller code
Merge pull request #141 from ministryofjustice/pdf-suggested-refactors

Some PDF work refactor.
Merge pull request #130 from ministryofjustice/pdf_generation

PDF generation
moj.reveal-pub-sub.js Comments and example snippets
using the toggle-content class
Changed fx- prefix to reveal-
Payments are disabled for first live trial
Merge pull request #148 from ministryofjustice/revealByPubSub

Reveal by pub sub
Merge pull request #151 from ministryofjustice/disable-payments-for-live-trial

Payments are disabled for first live trial
fixed fee page merge issues
fixed a merge conflict