Account Management

[ipr0310]

Develop the account management related features (This group of screens will allow the user to Create Import signum accounts)

Stories:

• [x] https://github.com/signum-network/signum-mobile-wallet/issues/7
• [x] https://github.com/signum-network/signum-mobile-wallet/issues/8
• [x] https://github.com/signum-network/signum-mobile-wallet/issues/9
• [x] https://github.com/signum-network/signum-mobile-wallet/issues/13
• [x] https://github.com/signum-network/signum-mobile-wallet/issues/14
• [x] https://github.com/signum-network/signum-mobile-wallet/issues/15
• [x] https://github.com/signum-network/signum-mobile-wallet/issues/10
• [x] https://github.com/signum-network/signum-mobile-wallet/issues/11
• [x] https://github.com/signum-network/signum-mobile-wallet/issues/12

[ipr0310]

Final PR regarding initial account management is merged https://github.com/signum-network/signum-mobile-wallet/pull/21