Move sky/examples to sky/sdk/lib/example, and code changes to support that change. Fixes T277.

sky/tools/deploy_sdk.py

 #!/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.
 
 import argparse
 from datetime import datetime
 import logging
 import os
 import shutil
@@ skipping 88 matching lines @@
 
     def sdk_path(rel_path):
         return os.path.join(sdk_root, rel_path)
 
     def src_path(rel_path):
         return os.path.join(SRC_ROOT, rel_path)
 
     ensure_dir_exists(sdk_root)
     # Manually clear sdk_root above to avoid deleting dot-files.
     delete_all_non_hidden_files_in_directory(sdk_root, args.non_interactive)
-    copy(src_path('sky/examples'), sdk_path('examples'))
 
     copy(src_path('sky/sdk/README.md'), sdk_root)
 
     ensure_dir_exists(sdk_path('packages'))
     subprocess.check_call([
         'mojo/tools/prepare_pub_packages.py',
         '--out-dir', sdk_path('packages'),
         'out'
     ])
 
@@ skipping 16 matching lines @@
             'git', 'commit',
             '-m', commit_message
             ], cwd=sdk_root)
 
     time_delta = datetime.now() - start_time
     print 'SDK built at %s in %ss' % (sdk_root, time_delta.total_seconds())
 
 
 if __name__ == '__main__':
     main()