Fixes + csv export + token prices

Export transactions as csv
Display the value in Erg for exchangeable tokens (Thanks SoCool)
Fix transaction with big amounts of tokens (tested with 18 significant numbers)
Fix utxo selection when sending multiple assets
Display token details in transaction builder unspent boxes
Technical: Remove react-app-rewired, allow to "watch" the build directory (Thanks SoCool)

Firefox support

• Add support for firefox browser
• Bug fix

Transaction builder integration

Add the transaction builder to manipulate json of ergo transaction in Expert mode.
Bug fixes

Fix ergodex connection

Temporary fix of ergodex connection waiting for publication in chrome store

SAFEW 0.3.1

Bugfix:

• fix crash when many addresses with balance are configured
• rename dApp connector for better multi wallet integration

SAFEW 0.3 - ErgoMixer integration

• ErgoPay improvement: allow to delete mnemonic to convert a wallet to an ErgoPay wallet, add/remove addresses from Ergopay wallets, add ErgoPay button for mobile users
• ErgoMixer integration: Display available Mixes, send mix transactions from the wallet, manage covert addresses
• Update dApp connector functions to allow future Wallet selector in dApps
• Update dependencies, cleanup lint

SAFEW 0.2 - ErgoPay integration

Added ErgoPay integration to sign without storing the mnemonic in SAFEW (currently supported by iOS wallet beta).
Improved design.
Disclaimer added.