Merge pull request #24 from CryptoManiac/master

0.4.4.6u5 changes & unspendable coin fixes
Merge pull request #25 from CryptoManiac/master

Immature balance fixes
Merge pull request #26 from CryptoManiac/master

Restore BDB index wrapper, add sync node concept
Add createmultisig RPC

Same as addmultisigaddress, but returns JSON object instead of addition of address into the wallet.