Add pointers to how to start with validation.
Make sure the map is updated when an item is added.
Add a custom form editor for the geocoder to allow for custom validation.
Fix code formatting on the entry views.
Put spec for adress/city input fields to pending, because they have been replaced by custom form editor.

TODO: Find out how to test the custom editor.
Minor form copy changes.
Add very basic error handling to geocoder component.
Merge branch 'feature/improve-entry-geocoder-167' into prototype
Avoid valid recipients for test email addresses when email interceptor is disabled.
Show recipient name in success message response.

+ Before sender name was displayed.