Beta maintenance of Python dependencies

(1) Move dependency on protobuf from grpcio to grpcio_test. While the
most-commonly-foreseen use case of grpcio makes use of protobuf,
technically protobuf is not strictly needed and there's no actual
in-code relationship between grpcio and protobuf.

(2) Loosen the dependency on protobuf from ==3.0.0a3 to >=3.0.0a3.

(3) Update all references to 0.10.0* to 0.11.0.

(4) Alphabetize the grpcio_test dependencies.

src/python/grpcio/requirements.txt

@@ -1,3 +1,2 @@
 enum34==1.0.4
 futures==2.2.0
-protobuf==3.0.0a3

src/python/grpcio_health_checking/setup.py

@@ -51,7 +51,7 @@ _PACKAGE_DIRECTORIES = {
 }
 
 _INSTALL_REQUIRES = (
-    'grpcio>=0.10.0a0',
+    'grpcio>=0.11.0',
 )
 
 _SETUP_REQUIRES = _INSTALL_REQUIRES
@@ -63,7 +63,7 @@ _COMMAND_CLASS = {
 
 setuptools.setup(
     name='grpcio_health_checking',
-    version='0.10.0a0',
+    version='0.11.0',
     packages=list(_PACKAGES),
     package_dir=_PACKAGE_DIRECTORIES,
     install_requires=_INSTALL_REQUIRES,

src/python/grpcio_test/requirements.txt

@@ -1,5 +1,6 @@
+grpcio>=0.11.0
+oauth2client>=1.4.7
+protobuf>=3.0.0a3
 pytest>=2.6
 pytest-cov>=2.0
 pytest-xdist>=1.11
-oauth2client>=1.4.7
-grpcio>=0.10.0a0

src/python/grpcio_test/setup.py

@@ -71,7 +71,7 @@ _SETUP_REQUIRES = (
 
 _INSTALL_REQUIRES = (
     'oauth2client>=1.4.7',
-    'grpcio>=0.10.0a0',
+    'grpcio>=0.11.0',
 )
 
 _COMMAND_CLASS = {
@@ -80,7 +80,7 @@ _COMMAND_CLASS = {
 
 setuptools.setup(
     name='grpcio_test',
-    version='0.10.0a0',
+    version='0.11.0',
     packages=_PACKAGES,
     package_dir=_PACKAGE_DIRECTORIES,
     package_data=_PACKAGE_DATA,