Dogecoin Wallet 2.0.7

Fixes a bad crash at startup.

From 2.0.6:

• Speed up blockchain sync.
• Share current wallet address by tapping on it.
• Show derived addresses in address book under "your addresses".
• Hint to enable storage encryption.
• Setting for own name, to be added as a label/memo to payment requests.
• Speed up transactions list.
• Show "to addresses" of received payments, rather than "from addresses".
• Improve entry of password in backup wallet dialog.
• Bugfixes.
• Design improvements
• Update translations.