Revert the upgrade of bcrypt
Revert the upgrade of bcrypt

The install of bcrypt 0.8.5 fails with the default npm on debian jessie.

lemelon/cozy-proxy,poupotte/cozy-proxy,clochix/cozy-proxy,kosssi/cozy-proxy,lemelon/cozy-proxy,cozy/cozy-proxy,frankrousseau/cozy-proxy,cozy/cozy-proxy,kosssi/cozy-proxy,nono/cozy-proxy,frankrousseau/cozy-proxy,clochix/cozy-proxy,nono/cozy-proxy,poupotte/cozy-proxy