* Refactor guidance to allow both top and bottom guidance at the same time
* Update guidance content, add scheme changes page
* update test
* remove full stop
* Update content, add back button
* Format errors on money amounts with 2 decimals
* CLDC-1975 Format money input and error messages
* format discounted_ownership_value
* Format more locales
* Update lettings_log tests
* Fix import service spec
This renames the case_log to lettings_log as everything we've written so
far has been geared towards lettings of social housing so it makes sense to
have the name describe this. This is also a precursor to adding in stuff for
sales logs (whatever shape that takes)
Co-authored-by: James Rose <james@jbpr.net>