Update tests to latest protocol changes (PoC7)

Author: CJentzsch

StateTests/stExample.json

@@ -12,7 +12,7 @@
         "post" : {
             "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
                 "balance" : "1000000000000100000",
-                "code" : "0x6001600101600057",
+                "code" : "0x6001600101600055",
                 "nonce" : "0",
                 "storage" : {
                     "0x" : "0x02"
@@ -36,7 +36,7 @@
         "pre" : {
             "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
                 "balance" : "1000000000000000000",
-                "code" : "0x6001600101600057",
+                "code" : "0x6001600101600055",
                 "nonce" : 0,
                 "storage" : {
                 }