Changes in this PR include:
Update Document DB SDK version to Microsoft.Azure.DocumentDB.2.2.1
Update Tables SDK version to Microsoft.Azure.CosmosDB.Table.2.0.0
Update Mongo driver version to MongoDB.Driver.2.7.0
Fix copying of internal fields in azure tables
Add retry capabilities to azure tables and cosmos DB tables API
Support new logger : CosmosDB tables logger for error logging
Error handling improvements for command line parsing
Add EULA and ThirdParty license file to the codebase
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