228 deprecation

[mkrzyzanowski]

Description

Deprecates a bunch of Bobcat modules (put as EOL starting from next release) and packages.
Additionally switches configuration to YAML-based one by default.

Motivation and Context

#228

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist:

• I have read the CONTRIBUTING document.
• My code follows the code styleguide of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added tests to cover my changes.