Send js to the projector

* fixed scroll and scale of the projector
Merge pull request #916 from ostcar/projector

Send js to the projector
Fixed #921 (Check THANKS URL for jQuery UI Nested Sortable)
Fixed #919 (Permission problem in agenda)
Updated EN po files.
Fixed #918 (Search does not work for guest users)
Fixed comments in pull request.
Fixed search-bar position.