Install grpcio from pypi.python.org and require minimum version 1.1.3 (#351)
Install grpcio from pypi.python.org and require minimum version 1.1.3 (#351)

* Pump grpcio version to minimum 1.1.3 and pull from pypi.python.org .
Addresses tf_serving issue #122
penguin138/serving,addappio/serving,sreddybr3/serving,tensorflow/serving,penguin138/serving,penguin138/serving,addappio/serving,sreddybr3/serving,addappio/serving,sreddybr3/serving,addappio/serving,tensorflow/serving,sreddybr3/serving,penguin138/serving,tensorflow/serving,tensorflow/serving