Merge pull request #701 from jeff1evesque/python_helper

#694: Create 'jsonmerge' method in 'helper.py'
#702: svm_training.py, properly validate and store JSON object
#702: svm_training.py, minor comment change
#702: svm_training.py, remove 'print json_dataset'
#702: svm_training.py, fix 'except' statement
#702: svm_training.py, 'sys.ext()' during exceptions
#702: svm_training.py, properly validate, and store JSON object for XML case
#702: svm_training.py, minor comment change
#702: svm_training.py, change spacing between code
Merge pull request #703 from jeff1evesque/python_svm_training

#702: Properly validate, store JSON object
#677: README.md, add 'note' on jsonmerge relative to 'json schema'
#677: README.md, minor language change
Merge pull request #706 from jeff1evesque/doc_jsonschema

#677: Documentation: Further Define 'JSON Schema'
#704: data_validator.py, 'import jsonschema_dataset'
Merge pull request #707 from jeff1evesque/python_data_validator

#704: data_validator.py, 'import jsonschema_dataset'
#705: config.py, add docblock for 'jsonschema_dataset()'
#705: config.py, add skeleton function for 'jsonschema_dataset'
#705: config.py, remove 'jsonschem_dataset'
Merge pull request #708 from jeff1evesque/python_config

#705: no changes made to 'config.py'
#704: data_validator.py, remove 'import jsonschema_dataset'