v2.2.0

• 0014d81 Lock the bucket when the files upload completes

• b9853c9 Restrict upload to a file which upload completed already

• pl.js typo fix by @Mudzay in #285

• Update de.js by @AlkoholLiga in #290

• Disable QR code by @AlkoholLiga in #291

• Create tr.js by @goredhell in #293

Full Changelog: v2.1.2...v2.2.0