Make shelldb load sky_home by default

sky/tools/shelldb

 #!/usr/bin/env python
 # Copyright 2015 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 from skypy.skyserver import SkyServer
 import argparse
 import json
 import logging
 import os
 import re
 import signal
 import subprocess
 import sys
 import time
 import urlparse
 
 SKY_TOOLS_DIR = os.path.dirname(os.path.abspath(__file__))
 SKY_ROOT = os.path.dirname(SKY_TOOLS_DIR)
 SRC_ROOT = os.path.dirname(SKY_ROOT)
 
 SKY_SERVER_PORT = 9888
-DEFAULT_URL = "sky://domokit.github.io/home"
+DEFAULT_URL = "sky://domokit.github.io/sky_home"
 APK_NAME = 'SkyDemo.apk'
 ADB_PATH = os.path.join(SRC_ROOT,
     'third_party/android_tools/sdk/platform-tools/adb')
 ANDROID_PACKAGE = "org.domokit.sky.demo"
 
 PID_FILE_PATH = "/tmp/skydemo.pids"
 PID_FILE_KEYS = frozenset([
     'remote_sky_server_port',
     'sky_server_pid',
     'sky_server_port',
@@ skipping 276 matching lines @@
         args = parser.parse_args()
         pids = Pids.read_from(PID_FILE_PATH, PID_FILE_KEYS)
         exit_code = args.func(args, pids)
         # We could do this with an at-exit handler instead?
         pids.write_to(PID_FILE_PATH)
         sys.exit(exit_code)
 
 
 if __name__ == '__main__':
     SkyShellRunner().main()