Joli OS doesn't boot. Please help recover files.

I cannot boot Joli OS. I get a message saying:
No init found. Try passing init=bootrag
Busybox v1.13.3 (Ubuntu 1:1.13.3-1ubuntu11) built-in shell (ash)
One minute it was booting up perfectly well and the next I keep getting this message. I have tried the sudo fsck and also from the jolicloud website I read about how to restore your files with sudo mkdir/media/je etc. Any ideas on how I can recover my files. It looks as the partition is now unallocated. I have the usb key so I can boot into Joli OS. I have no idea about linux so I'm just trying anything I can find on the web. Hope somebody can help me.
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