Fixed: files couldn't by upload from the modal if other files were uploading. Close #81 (correctly, this time)
Fixed #89 (other part of the fix is in 8fec91cdfef0fff30f0fba95c1718e2f30ba60d5). Close #89
Fixed: potential leak
Merge branch 'master' of https://github.com/jsilvestre/cozy-files