WIP
new files
migrated fr to new design
localized navig and refactored feature data structure
migrated it to new design
migrated es to new design
wording
make button smaller on narrow screen
add heading
scroll to target
only needed when screen is really narrow
resize canvas  to make it behave nicely in Internet Explorer, which does not preserve width/height ratio when applying css
some adjustments for compatibility
temporarily hide langs not yet migrated