[IS-12] Add auto tests for validating MS-05 standard class and datatype definitions

[jonathan-r-thorpe]

• Overrides "auto" tests to dynamically check all standard classes and datatypes
• Creates JSON schemas for each datatype on the fly from MS-05 descriptor models
• Queries ClassManager for all classes and datatypes
• Validates against JSON schema and MS-05 descriptor models

[jonathan-r-thorpe]

Added tests for checking Node handles following errors:

• Incorrect protocol version
• Invalid command handle
• Invalid command type
• Invalid JSON
• Invalid Oid
• Invalid property identifier
• Invalid method identifier
• Read only error