Merge pull request #669 from jeff1evesque/python_svm_json

#461: Define method to convert 'csv' to 'JSON'
#459: data_validator.py, minor docblock changes
#459: data_validator.py, add dockblock for 'prelearning_data_validation'
#459: data_validator.py, add method header
#654: data_validator.py, add validation logic
#654: data_validator.py, call correct method for jsonschema validation
#654: data_validator.py, correct method names
Merge pull request #670 from jeff1evesque/python_data_validator

#654: Add jsonschema for 'data_validation' method
#671: config.py, correct method names
Merge pull request #672 from jeff1evesque/python_config

#671: config.py, correct method names
#628: data_validator.py, change 'prelearning_data_validation' -> 'dataset_validation'
Merge pull request #673 from jeff1evesque/python_data_validator

#628: 'prelearning_data_validation' -> 'dataset_validation'
#462: svm_training.py, call 'dataset_validation'
Merge pull request #674 from jeff1evesque/python_svm_training

#462: svm_training.py, call 'dataset_validation'
#671: config.py, undo changes from 26f6b75
#654: data_validator.py, undo changes from b3af218
Merge pull request #678 from jeff1evesque/python_config

#671: config.py, undo changes from 26f6b75
Merge pull request #679 from jeff1evesque/python_data_validator

#654: data_validator.py, undo changes from b3af218
#680: data_validator.py, wrap '.lower()' method with IF statement
Merge pull request #681 from jeff1evesque/python_data_validator

#680: Wrap '.lower()' method with IF statement