wallet model and test WIP
wallet model basic functions (WIP)
get Script Address for Wallet
add pubkey sorting
add getAddresses to return all wallet\'s addresses
createTX to wallet
backup page
Merge pull request #17 from bechi/feature/backup-page

backup page
change Wallet to PublicKeyRing
merge
public key ring, symmetric for all holders
several improvements to p2p connections
merge
Merge pull request #18 from matiu/feature/PublicKeyRing

Feature/public key ring
Merge pull request #19 from colkito/fix/p2p-connections

Fix/p2p connections