Add adesigns/calendar-bundle — please run "php composer.phar install"

Downgraded JS-Routing bundle for compatibility reasons, and add
adesigns/calendar-bundle to composer.json, composer.lock and AppKernel.
Self-updated composer.phar.

Please run "php composer.phar install".
Add projector description design and content
Add projector loan calendar and events loading
Add projector link target in navbar
Fix minor design bugs

Removed container for video search input and converted last section
margin-bottom to last section padding-bottom
Another design minor bug fixed
Add modal loan detail view on event click
Add local jQuery.js file
Minor changes (squash with modal commit)