Json structured script outputs

[jithinbp]

The API server returns a JSON object containing the output of a script retrieved via the submitted id. Previously, a string containing the console output was being returned, but in the interest of providing greater flexibility, a JSON object containing a list of various sections of the output will now be the return value. This will also ensure that no HTML/JS needs to be generated by the API, and all formatting will handled by the Ember App based on properties defined in the JSON object.

e.g. : print ('hello world') will be output as
{'status':True,
'Filename':script.title,
'Date':script.pub_date
'Id':script.id,
'result':[{"name":"print","type":"span","value":"hello world"}],
}

The various types implemented in the boilerplate code that this PR provides, includes 'span', and 'span-well'

---

• example.py

  print ('testing')
  print ('testing some changes..... ')
  print_('highlighted print statement')

• screenshot of output of example.py (id=4 on my testing server)

• JSON returned by the API [localhost:8000/runScriptById , POST: id=4 (example.py)] from which the above was generated

  {"Date": "Tue, 01 Aug 2017 21:39:12 GMT", "Filename": "example.py", "Id": 4,
  "result": [
  {"name": "print", "type": "span", "value": "('testing',)"},
  {"name": "print", "type": "span", "value": "('testing some changes..... ',)"},
  {"class": "row well", "name": "print", "type": "span", "value": "highlighted print statement"}
  ],
  "status": true}