Zerion + Collectibles families + Uniswap liquidity tokens

🔑 Support for importing private key
😻 Expandable collectible families
🦄 Uniswap liquidity tokens
📡 Data provider update

Bug fixes for app crashes

Changed

• Fix for app crashing when low ETH after having a previous wallet with enough ETH
• Fix for push notification not showing up when app completely closed
• Updated paging logic for transaction history
• Remove dropped/replaced transactions from pending state
• Fix crash that occurs when touching blank activity list below profile masthead while transactions still loading