Vanity addresses in AZ.

Fixes to ethereum.js
eth.flush()

lib/abi.js

@@ -128,7 +128,7 @@ var formatInputReal = function (value) {
 
 var dynamicTypeBytes = function (type, value) {
     // TODO: decide what to do with array of strings
-    if (arrayType(type) || prefixedType('string')(type))
+    if (arrayType(type) || type == 'string')    // only string itself that is dynamic; stringX is static length.
         return formatInputInt(value.length); 
     return "";
 };