UX update

Enhancements for this release include:

• Use token icons in wallet display.
• Add universal scan button at main wallet page.
• Update Eth Classic node and transaction connection
• Accurate estimation of gas that transaction will use.
• Allow speedup of a hanging transaction
• Improve soft keyboard integration
• Improve token management flow
• Improve key handling
• Add .crypto domain handling (aka Unstoppable domains).
• Improve wallet ENS name discovery.
• Update Chinese translation.