Fixed the import module name issue

CocoaPods/Core#205

Just learned from Facebook-iOS-SDK. Now cocoapods also supports module_name as well, so I added it too.

Example/youtube-ios-player-helper/Sample_Basic_Code_ViewController.m

@@ -6,18 +6,7 @@
 //  Copyright © 2016年 akisute. All rights reserved.
 //
 
-// TODO: change the module name completely... I can't bare with this
-// To confirm clang module system, we must not use - (dash) in the module name, which is replaced to _ (underscore).
-// https://github.com/CocoaPods/Core/issues/205
-
-// Doesn't work, needs umbrella header youtube-ios-player-helper.h, kinda ugly
-//#import <youtube-ios-player-helper/youtube-ios-player-helper.h>
-
-// Doesn't work because - is replaced to _ when clang module is enabled...
-//#import <youtube-ios-player-helper/YTPlayerView.h>
-
-// This one works but so ugly
-#import <youtube_ios_player_helper/YTPlayerView.h>
+#import <YTPlayerView/YTPlayerView.h>
 
 #import "Sample_Basic_Code_ViewController.h"
 

Example/youtube-ios-player-helper/Sample_Basic_IB_ViewController.m

@@ -6,7 +6,7 @@
 //  Copyright © 2016年 akisute. All rights reserved.
 //
 
-#import <youtube_ios_player_helper/YTPlayerView.h>
+#import <YTPlayerView/YTPlayerView.h>
 
 #import "Sample_Basic_IB_ViewController.h"
 

youtube-ios-player-helper.podspec

@@ -53,5 +53,7 @@ Pod::Spec.new do |s|
   #  'youtube-ios-player-helper' => ['Pod/Assets/*']
   #}
   s.public_header_files = 'Pod/Classes/**/*.h'
+  s.header_dir = 'YTPlayerView'
+  s.module_name = 'YTPlayerView'
   s.frameworks = 'UIKit', 'WebKit'
 end