Update cakebox.sh

Mauvaise Variable, copie/coller raté ^^
Merge pull request #45 from gui7545/patch-1

Update cakebox.sh
Add button to refresh directory content
Cleanup a bit view and controller
Force autplay with vlc webplayer until it's fix the newer version
Move config directory at root. Don't forget to move your config file !
Add some ignore possibilities while retrieving directory content
Fix bug file config