Delete empty mojo python package, and prefix all python packages with mojo_

mojo/python/tests/promise_unittest.py

 # Copyright 2014 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 unittest
 
 # pylint: disable=F0401
-from mojo.bindings import promise
+from mojo_bindings import promise
 
 
 class PromiseTest(unittest.TestCase):
 
   def setUp(self):
     self.accumulated = []
 
   def _AddToAccumulated(self, res):
     self.accumulated.append(res)
     return res
@@ skipping 153 matching lines @@
   functions = {}
   def GeneratorFunction(resolve, reject):
     functions['resolve'] = resolve
     functions['reject'] = reject
   p = promise.Promise(GeneratorFunction)
   return (p, functions['resolve'], functions['reject'])
 
 
 def _ThrowException(x):
   raise RuntimeError(x)