fixes for RN 0.31.0

examples/ReactExample/package.json

@@ -7,7 +7,7 @@
   },
   "dependencies": {
     "react": "~15.2.0",
-    "react-native": "^0.29.0",
+    "react-native": "^0.31.0",
     "realm": "file:../.."
   }
 }

react-native/ios/RealmReact/RealmReact.mm

@@ -19,11 +19,13 @@
 #import "RealmReact.h"
 #import "RealmAnalytics.h"
 #import "RCTBridge.h"
+#import "RCTJavaScriptExecutor.h"
 
 #import "jsc_init.h"
 #import "shared_realm.hpp"
 #import "realm_coordinator.hpp"
 
+#import <objc/runtime.h>
 #import <arpa/inet.h>
 #import <ifaddrs.h>
 #import <netdb.h>

tests/react-test-app/package.json

@@ -7,7 +7,7 @@
   },
   "dependencies": {
     "react": "~15.2.0",
-    "react-native": "^0.29.0",
+    "react-native": "^0.31.0",
     "react-native-fs": "^1.1.0",
     "xmlbuilder": "^4.2.1",
     "realm": "file:../..",