bump budget_planner 4.0.0.636 => 4.0.0.638
custom sign in title can be injected via session
Update pensions calc and dependant gems
after login clear custom sign in title
allow custom registration title to be injected
tidy up session vars after login
use helper in view
Updated .yml for Interest Rate Campaign

Updated .yml for Interest Rate Campaign
Optimise campaign images
Refactor HTML structure and add real content
Refactor campaign page component styles
Merge pull request #694 from moneyadviceservice/interest-rate-campaign

Interest rate campaign
Merge pull request #693 from moneyadviceservice/custom-titles

Allow for custom titles in auth pages
Update dough-ruby version
Remove presence validation for description
Use snippet instead of description in search results
Remove decorated description
Remove description form SearchResult
Remove description mapping
Remove line <br> from snippet