Account Overview Dashboard

[ipr0310]

Develop the account overview dashboard related features (This group of screens will allow the user to Change node settings Activate Account)

Stories:

• [x] https://github.com/signum-network/signum-mobile-wallet/issues/23
• [x] https://github.com/signum-network/signum-mobile-wallet/issues/24
• [x] https://github.com/signum-network/signum-mobile-wallet/issues/26
• [x] https://github.com/signum-network/signum-mobile-wallet/issues/27
• [x] https://github.com/signum-network/signum-mobile-wallet/issues/29
• [x] https://github.com/signum-network/signum-mobile-wallet/issues/25
• [x] https://github.com/signum-network/signum-mobile-wallet/issues/30