Vanity addresses in AZ.

Fixes to ethereum.js
eth.flush()

lib/web3.js

@@ -82,6 +82,7 @@ var ethMethods = function () {
     { name: 'transaction', call: transactionCall },
     { name: 'uncle', call: uncleCall },
     { name: 'compilers', call: 'eth_compilers' },
+    { name: 'flush', call: 'eth_flush' },
     { name: 'lll', call: 'eth_lll' },
     { name: 'solidity', call: 'eth_solidity' },
     { name: 'serpent', call: 'eth_serpent' },