add Send transaction to Quorum
update CreateWallet and AddNewSibling
address comments from previous PR
final touches, build now broken
change bytes() and fillWallet() to Gob
simplify wallets
make scriptAtoms implicit
make wallet an exported field
make saveWallet and loadWallet public
Merge branch 'scriptIntegration' of https://github.com/DavidVorick/Sia into DavidVorick-scriptIntegration

Conflicts:
	src/quorum/sibling.go
	src/quorum/transactions.go
	src/quorum/wallet.go
Merge branch 'DavidVorick-scriptIntegration' into scripting