Upgrade RN 0.40 Finalization (#678)

* Header changes

* update the IOS header linker

* header swap

Author: buptkang

ios/CodePush.xcodeproj/project.pbxproj

@@ -370,7 +370,6 @@
 					"$(inherited)",
 					/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include,
 					"$(SRCROOT)/../../react-native/React/**",
-					"$(SRCROOT)/../Examples/CodePushDemoApp/node_modules/react-native/React/**",
 				);
 				LIBRARY_SEARCH_PATHS = "$(inherited)";
 				OTHER_LDFLAGS = (
@@ -389,7 +388,6 @@
 					"$(inherited)",
 					/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include,
 					"$(SRCROOT)/../../react-native/React/**",
-					"$(SRCROOT)/../Examples/CodePushDemoApp/node_modules/react-native/React/**",
 				);
 				LIBRARY_SEARCH_PATHS = "$(inherited)";
 				OTHER_LDFLAGS = (

ios/CodePush/CodePush.h

@@ -1,5 +1,7 @@
-#if __has_include("RCTEventEmitter.h")
+#if __has_include(<React/RCTEventEmitter.h>)
 #import <React/RCTEventEmitter.h>
+#elif __has_include("RCTEventEmitter.h")
+#import "RCTEventEmitter.h"
 #else
 #import "React/RCTEventEmitter.h"   // Required when used as a Pod in a Swift project
 #endif

ios/CodePush/CodePush.m

@@ -1,9 +1,18 @@
+#if __has_include(<React/RCTAssert.h>)
 #import <React/RCTAssert.h>
 #import <React/RCTBridgeModule.h>
 #import <React/RCTConvert.h>
 #import <React/RCTEventDispatcher.h>
 #import <React/RCTRootView.h>
 #import <React/RCTUtils.h>
+#else // back compatibility for RN version < 0.40
+#import "RCTAssert.h"
+#import "RCTBridgeModule.h"
+#import "RCTConvert.h"
+#import "RCTEventDispatcher.h"
+#import "RCTRootView.h"
+#import "RCTUtils.h"
+#endif
 
 #import "CodePush.h"
 

ios/CodePush/RCTConvert+CodePushInstallMode.m

@@ -1,5 +1,10 @@
 #import "CodePush.h"
+
+#if __has_include(<React/RCTConvert.h>)
 #import <React/RCTConvert.h>
+#else
+#import "RCTConvert.h"
+#endif
 
 // Extending the RCTConvert class allows the React Native
 // bridge to handle args of type "CodePushInstallMode"

ios/CodePush/RCTConvert+CodePushUpdateState.m

@@ -1,5 +1,10 @@
 #import "CodePush.h"
+
+#if __has_include(<React/RCTConvert.h>)
 #import <React/RCTConvert.h>
+#else
+#import "RCTConvert.h"
+#endif
 
 // Extending the RCTConvert class allows the React Native
 // bridge to handle args of type "CodePushUpdateState"