API CHANGE. customer find now takes a hash

to allow flexibility to search by customer id or email
cream#find now allows searching by email
on registering and customer exists in CRM...

if they have the same email address associate the records
previous implementation would create a new CRM record instead
tidy up
update car costs tool link
Merge pull request #652 from moneyadviceservice/car-campaign-fix

update car costs tool link
Bump pension calc
Bump dough
Bump pension calculator
Merge pull request #650 from moneyadviceservice/3576-existing-crm-customers

3576 existing crm customers
Remove request_page method
Remove request_per_page method
Place the . on the next line
Merge pull request #653 from moneyadviceservice/refactor/searcher

Refactor/searcher
Use DEFAULT_PER_PAGE instead PER_PAGE_LIMIT
Add clear button and initial styling
Add clear mechanism to input field
Adjust the positioning of the clear button
Add test and fixtures directories for ClearInput component
Update JShint to not flag testing assertions