Preparing next version: 1.3.7

[juanky201271]

• Refactored code: Avoiding re-renders.
• Address picker: When the user change from a valid address to another address the App shows an Alert to inform the user of what is going on here and prevent the user can lose a valid address in the send screen.
• Adding a short text to address book icon Add to, because maybe the user doesn't understand what is for that icon in the send screen when you copy-paste or scan a UA.
• No periods in settings options.
• This bugfix included: Bugfix 618 #619
• This bugfix included: Bugfix 620 #622
• Donation to developers new Feature. (temporary mainnet UA added). This feature is only available for mainnet servers.
• Zingo Logo in QR codes.
• Replicate servers feature from Zingo-pc. fix for: Add new Global lightwalletd servers from Nighthawk #419.
• The arrow icon in addresses with contact means send. Make the icon bigger.
• Sapling spendable amount in Pools screen should be yellow to express: this amount should be in orchard.
• Put an X icon in the fields. The user can clear a specific field.
• These numbers: .05 (0.05) have to be a valid numbers. Different texts for invalid number & invalid amount.
• The server list in settings is really long and difficult to manage, we need a select field picker.
• New server for the list: https://test.zec.rocks:443.
• Address QR visible in Private mode but without the zingo logo.
• Unify Restore from Seed & Restore from UFVK in one screen.
• Stop syncing process just before to run rescan, fix for: Rescan while the App is still Syncing - Do nothing #601.
• Stop syncing process just before to run change to another wallet & restore last wallet backup, fix for: Change to another wallet while syncing - The wallet file is blocked sometimes. #610.
• Checking the Ufvk/Seed in lowercase - Restore wallet screen.

TODO:

• miriaBTC price. (some work in zingolib needed, I guess) @zancas
• Adaptation for ZIP 317 & 320. @zancas

[zancas]

LGTM