Merge pull request #279 from ericvincenterv/pilote3

Pilote3
fix export
add lvl in editor
refacto twig
Merge pull request #280 from arnaudbey/fixes

Fixes
clean up twig files
minor UI fixes/enhancements
git deleted files
Merge pull request #281 from arnaudbey/uifixes

Uifixes
name of medias is now prefixed with the name of the task
brighten footer color
Merge pull request #282 from arnaudbey/mediaName

name of medias is now prefixed with the name of the task
Merge pull request #283 from arnaudbey/footercolor

brighten footer color
now questionnraire text type (dialogue, etc.) can be chosen
disbale btn and input during ajax calls
editor - fix fixedOrder being not saved and displayed correctly
Merge pull request #284 from arnaudbey/editorFixes

Editor fixes
securize upload (a bit) and some initializations in editor.js
fix VF translate
Merge pull request #285 from arnaudbey/miscFixes

Misc fixes
add chinese