adapt the nav bar to new resolution
modify mmenu and sidebar css to block
Merge branches 'nav_bar' and 'master'
update the calendar css
Merge branch 'nav_bar'
fix navigation var on main page, add impor/export button
add arrow_right_red.png
Merge branch 'nav_bar'
Split js.js into setup.js and main.js. Changes to main.html and setup.html to respect initial desing