Rename fletch -> dartino

src/vm/platform_test.cc

 // Copyright (c) 2014, the Dartino project authors. Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE.md file.
 
 #include <pthread.h>
 #include <unistd.h>
 
 #include "src/shared/assert.h"
 #include "src/shared/platform.h"
 #include "src/shared/test_case.h"
 
 #include "src/vm/thread.h"
 
-namespace fletch {
+namespace dartino {
 
 static void yield() { usleep(1); }
 
 static const int kLockCounterLimit = 50;
 static int busy_lock_counter = 0;
 
 static void LoopIncrement(Mutex* mutex, int rem) {
   while (true) {
     int count = 0;
     int last_count = -1;
@@ skipping 24 matching lines @@
 TEST_CASE(Mutex) {
   pthread_t other;
   Mutex* mutex = Platform::CreateMutex();
   int thread_created = pthread_create(&other, NULL, &RunTestBusyLock, mutex);
   EXPECT_EQ(0, thread_created);
   LoopIncrement(mutex, 1);
   pthread_join(other, NULL);
   delete mutex;
 }
 
-}  // namespace fletch
+}  // namespace dartino