v2.0.2 Docker Driver Release

• Fixed bug in non-multipath case where diskPath was not getting populated during login Added run_driver.py helper script for running the driver inside a container with log parsing. Modified config.json for this purpose as well
• Switched all functions to require a context object for log tracing purposes
• Moved Environment variables to config files, removed DB layer FSType and persistence are tracked via metadata now. Updated Makefile to ensure static binaries are built. Added several helper functions in util.go
• Added /etc/iscsi as a rbind, rshared mount in the plugin config.json
• Removed deprecated environment variables, updated to go-sdk 1.0.7