Properties 'project' and 'table' replaced by 'source' to support diff…

…erent variable origins (not necessarily opal) obiba/mica2#4376

src/main/java/org/obiba/es/mica/mapping/VariableIndexConfiguration.java

@@ -66,8 +66,7 @@ private XContentBuilder createMappingProperties(String type) throws IOException
     createMappingWithoutAnalyzer(mapping, "datasetId");
     if (Indexer.HARMONIZED_VARIABLE_TYPE.equals(type)) {
       createMappingWithoutAnalyzer(mapping, "opalTableType");
-      createMappingWithoutAnalyzer(mapping, "project");
-      createMappingWithoutAnalyzer(mapping, "table");
+      createMappingWithoutAnalyzer(mapping, "source");
     }
     createMappingWithAndWithoutAnalyzer(mapping, "name");
     createMappingWithoutAnalyzer(mapping, "entityType");