Merge pull request #291 from ericvincenterv/pilote3

Pilote3
Merge pull request #292 from ericvincenterv/pilote3

Commit migrations.
videos
Merge pull request #294 from arnaudbey/video

videos
WIP jcrop
WIP crop image
add avalanche for image thumbnailing
delete files, gitignore
Merge pull request #296 from arnaudbey/jcrop

Jcrop
fix video player. (remove extension)
Merge pull request #297 from arnaudbey/videoPlayer

fix video player. (remove extension)
Merge pull request #298 from ericvincenterv/pilote3

Curseur.
Zone input, placeholder et mask.