* Code for migrating Hive to BigQuery added

* code added

* Readme file added

* File renamed

* optional arguments added

* pylint enhancements

* Formatted with pylint

* Changes in readme,added script to generate data

* Changes in readme,added script to generate data

* consistent string formatting,narrow exceptions

* Changes in readme,added script to generate data

* Changes in readme,added script to generate data

* consistent string formatting,narrow exceptions

* More details on cloud-sql-proxy

* Cloud KMS,config file,handled long hive table names

* removed unnecessary comments

* changed pip to pip3

* modified prereq,readme