Merge pull request #146 from craig-cogdill/refreshFieldCache

Refresh the Kibana field mapping cache whenever the index pattern is loaded

src/legacy/core_plugins/data/public/index_patterns/index_patterns/index_patterns.ts

@@ -135,6 +135,6 @@ export class IndexPatterns {
       this.apiClient,
       indexPatternCache,
       this.notifications
-    ).init();
+    ).init(true);
   };
 }