Merge branch 'alvarolmedo-task/fixing_index_get_config' into develop

Author: martijnrondeel

src/controllers/process/index.js

@@ -43,7 +43,7 @@ export default class ProcessController {
 
     // Create ElastAlert index if it doesn't exist yet
     logger.info('Creating index');
-    var indexCreate = spawnSync('python', ['-m', 'elastalert.create_index', '--index', 'elastalert_status', '--old-index', ''], {
+    var indexCreate = spawnSync('python', ['-m', 'elastalert.create_index', '--index', config.get('writeback_index'), '--old-index', ''], {
       cwd: this._elastalertPath
     });