New features

• #495 - ability to use reduced-redundacy S3 storage

Fixes

• #497 - considering path parameter in drivers mode
• #499 - renaming logs does not work in Windows
• #500 - Selenoid does not work with Docker API 1.38

Improvements

• #490 - log files are using *.log file extension
• #493 - set static S3 authentication only when flags are passed