updated country list
Optimize images on upload
Optimize static png files with tinypng
Added validation to content fields that are mandatory
Adding uk_working_ability_details in case people reply no. Display correct values
Merge branch 'validate_submission_fields' into feedback-changes
Send an email to recruitment@unep-wcmc.org when an applicant submits is application.
Fixed links in email. Add to pass the host from the default_url_host