Testing and reviewing requested for work on Bitcoin Core wallet

Hello,

Cozz Lovan has been doing great work on Bitcoin Core's wallet code lately.

If anyone cares about Bitcoin Core's wallet, for example its performance, do help testing and reviewing these improvements so that they can make it into 0.10:

Subtract fee from amount https://github.com/bitcoin/bitcoin/pull/4331

[Wallet] Improve ReorderTransactions(..) https://github.com/bitcoin/bitcoin/pull/4697

[Wallet] Replace OrderedTxItems(..) with in-memory map https://github.com/bitcoin/bitcoin/pull/4702

[Qt] Call checkBalanceChanged() periodically instead for every updated tx https://github.com/bitcoin/bitcoin/pull/4712

Move g_signals.SetBestChain(..) below SyncWithWallets https://github.com/bitcoin/bitcoin/pull/4798

[Wallet] Call SetBestChain before and after rescan https://github.com/bitcoin/bitcoin/pull/4800

[Wallet] Do not flush the wallet in AddToWalletIfInvolvingMe(..) https://github.com/bitcoin/bitcoin/pull/4805

Wladimir