Prepare 2.2.1 release.

Author: fchollet

keras/__init__.py

@@ -23,4 +23,4 @@
 from .models import Model
 from .models import Sequential
 
-__version__ = '2.2.0'
+__version__ = '2.2.1'

keras/applications/__init__.py

@@ -12,7 +12,6 @@
 
 keras_applications.set_keras_submodules(
     backend=backend,
-    engine=engine,
     layers=layers,
     models=models,
     utils=utils)

setup.py

@@ -24,21 +24,21 @@
 '''
 
 setup(name='Keras',
-      version='2.2.0',
+      version='2.2.1',
       description='Deep Learning for humans',
       long_description=long_description,
       author='Francois Chollet',
       author_email='[email protected]',
       url='https://github.com/keras-team/keras',
-      download_url='https://github.com/keras-team/keras/tarball/2.2.0',
+      download_url='https://github.com/keras-team/keras/tarball/2.2.1',
       license='MIT',
       install_requires=['numpy>=1.9.1',
                         'scipy>=0.14',
                         'six>=1.9.0',
                         'pyyaml',
                         'h5py',
-                        'keras_applications==1.0.2',
-                        'keras_preprocessing==1.0.1'],
+                        'keras_applications==1.0.4',
+                        'keras_preprocessing==1.0.2'],
       extras_require={
           'visualize': ['pydot>=1.2.4'],
           'tests': ['pytest',