#630: svm_training.py, minor comment change
Merge pull request #634 from jeff1evesque/python_data_validator

#632: data_validator.py, further adjust docblock(s)
#630: svm_training.py, import 'JSON' class from 'svm_json.py'
#630: svm_training.py, instantiate JSON class
#63): svm_training.py, minor comment changes
#630: svm_training.py, adjust overall file docblock
#630: svm_training.py, indent under 'else' statement
#630: svm_training.py, move 'json_dataset' under 'else' statement
#630: svm_training.py, define 'if-else' for 'json_dataset'
#630: svm_training.py, minor space changes
#630: svm_training.py, adjust 'if-else' statements
Merge pull request #635 from jeff1evesque/python_svm_training

#630: Call 'csv_to_json' method in 'svm_training.py'
Merge branch 'master' into python_svm_training
#637: svm_training.py, add 'xml_to_json' method call
#637: svm_training.py, remove comments
Merge pull request #638 from jeff1evesque/python_svm_training

#637: Call 'xml_to_json' method in 'svm_training.py'
#640: data_validator.py, adjust allowable MIME types