core: Added EVM configuration options

The EVM is now initialised with an additional configured object that
allows you to turn on debugging options.

cmd/ethtest/main.go

@@ -26,7 +26,6 @@ import (
 	"strings"
 
 	"github.com/codegangsta/cli"
-	"github.com/ethereum/go-ethereum/core/vm"
 	"github.com/ethereum/go-ethereum/logger/glog"
 	"github.com/ethereum/go-ethereum/tests"
 )
@@ -188,7 +187,6 @@ func setupApp(c *cli.Context) {
 	continueOnError = c.GlobalBool(ContinueOnErrorFlag.Name)
 	useStdIn := c.GlobalBool(ReadStdInFlag.Name)
 	skipTests = strings.Split(c.GlobalString(SkipTestsFlag.Name), " ")
-	vm.Debug = c.GlobalBool(TraceFlag.Name)
 
 	if !useStdIn {
 		runSuite(flagTest, flagFile)