[es] index mapping configuration for exact results (wip on example data)

es.py

@@ -32,5 +32,15 @@
                                             'language': 'French'}
                         }
              }
+            ,
+            "mappings" : {
+                "Did" : {
+                    "properties" : {
+                        "unitid" : {
+                            "type" : "string",
+                            "index" : "not_analyzed" 
+                        }
+                    }
+                }
             }
 
@@ -35,5 +45,6 @@
             }
 
+    }
 
 def indexable_types(schema):
     global INDEXABLE_TYPES