Idena Desktop App Update - v.0.31.0

There is a new version of the Idena Desktop App available: **0.31.0** Changes: **1. Support quadratic staking** * Stake replenishment * Show APY for stake * Show staking rewards in the validation report **2. Reporting improvements** * Allow "Approve/Report" votes to be reset during validation * Show the number flips for which user abstained before submitting the answers **3. Bug fixes** * New Oracle voting form bug fix * Sign raw transactions bug fix (*dna://raw*) * Translation bug fix [Update](https://idena.io/download) is recommended.