code: static public JSONObject getSubmittedDocumentFromSubmission(JSONObject submissionDoc) throws Exception {
  		JSONObject submissionInfo = submissionDoc.getJSONObject("nunaliit_submission");
  		
  		JSONObject doc = submissionInfo.getJSONObject("submitted_doc");
  		JSONObject reserved = submissionInfo.optJSONObject("submitted_reserved");
  		
  		return recreateDocumentFromDocAndReserved(doc, reserved);
  	}
docs: Re-creates the document submitted by the client from
  the submission document.
  @param submissionDoc Submission document from the submission database
  @return Document submitted by user for update