Introduce CPack script
Introduce nomJSON back into nomlib
Rename .h to .hpp
Introduce (nested) json namespace (nom::json) & rename class

  * Remove JSON_config.h

  - Rename:
    * JSON_FileReader -> FileReader
    * JSON_FileWriter -> FileWriter
    * JSON_Object -> Object
    * JSON_Value -> Value
    * JSON_Array -> Array
Introduce JSON examples (stubs for now)
Update example header comments