anchor.diff:          {
             "script_score": {
               "script_id": "indexedCalculateScore",
  +	    "lang" : "groovy",
               "params": {
                 "my_modifier": 8
               }
  
positive.code: The script can be viewed by:
  [source,js]
  -----------------------------------
  curl -XGET localhost:9200/_scripts/mvel/calculate-score
  -----------------------------------
  
  This is rendered as:
  
negative.code: 
  [source,js]
  -----------------------------------
  curl -XPOST localhost:9200/_scripts/groovy/indexedCalculateScore -d '{
       "script": "log(_score * 2) + my_modifier"
  }'
  -----------------------------------
  