correct bug empty selected files when entering a folder,
show number of file
add css dropdown
Preview of the selected files
/!\ the link to the file is temporary, this must have a better way to do it /!\
Merge branch 'master' of https://github.com/benjamin-bonkov/cloud-explorer
bouton choix cloud / redesign suite
Merge branch 'master' of https://github.com/silexlabs/cloud-explorer

Conflicts:
	lib/app/css/style.css
Merge pull request #27 from benjamin-bonkov/master

Empty selected files when entering a folder, show number of file in current folder, preview selected files, redisign