135-model-name-cleanup

[zorian15]

Description

Instead of returning the entire callable object of the torch.nn classes when calling model.str_summary(), just return the __name__.

Closes #135

Tests

Please describe the tests added to verify correct behavior. No unit tests here -- but scatterplots look like this again after a good ole' make test.

Checklist:

• [X] The code uses informative and accurate variable and function names
• [X] The functionality is factored out into functions and methods with logical interfaces
• [X] Comments are up to date, document intent, and there are no commented-out code blocks
• [X] Commenting and/or documentation is sufficient for others to be able to understand intent and implementation
• [X] TODOs have been eliminated from the code
• [X] The corresponding issue number (e.g. #278) has been searched for in the code to find relevant notes
• [ ] Documentation has been redeployed