Default experimental mode

src/main.cpp

@@ -77,7 +77,7 @@ static int64_t nTimeBestReceived = 0;
 CWaitableCriticalSection csBestBlock;
 CConditionVariable cvBlockChange;
 int nScriptCheckThreads = 0;
-bool fExperimentalMode = false;
+bool fExperimentalMode = true;
 bool fImporting = false;
 bool fReindex = false;
 bool fTxIndex = false;