bumped base image to ubuntu:16.04
bumped base image to ubuntu:16.04

RandyAbernethy/ThriftBook,RandyAbernethy/ThriftBook,RandyAbernethy/ThriftBook,RandyAbernethy/ThriftBook,RandyAbernethy/ThriftBook,RandyAbernethy/ThriftBook,RandyAbernethy/ThriftBook,RandyAbernethy/ThriftBook,RandyAbernethy/ThriftBook,RandyAbernethy/ThriftBook,RandyAbernethy/ThriftBook