Merge pull request #5709 from zpao/youtubenocookie

[docs] fixup other broken youtube-nocookie uses
(cherry picked from commit 5b98152a)

docs/_posts/2014-02-15-community-roundup-16.md

@@ -54,7 +54,7 @@ It's great to see the React community expand internationally. [This site](http:/
 
 ### Egghead.io video tutorials
 
-Joe Maddalone ([@joemaddalone](https://twitter.com/joemaddalone)) of [egghead.io](https://egghead.io/) created a series of React video tutorials, such as [this](http://www.youtube-nocookie.com/watch?v=rFvZydtmsxM&feature=youtu.be&a) introduction to React Components. [[part 1](http://www.youtube-nocookie.com/watch?v=rFvZydtmsxM&feature=youtu.be&a)], [[part 2](http://www.youtube-nocookie.com/watch?v=5yvFLrt7N8M)]
+Joe Maddalone ([@joemaddalone](https://twitter.com/joemaddalone)) of [egghead.io](https://egghead.io/) created a series of React video tutorials, such as [this](http://www.youtube-nocookie.com/v/rFvZydtmsxM) introduction to React Components. [[part 1](http://www.youtube-nocookie.com/v/rFvZydtmsxM)], [[part 2](http://www.youtube-nocookie.com/v/5yvFLrt7N8M)]
 
 ### "React: Finally, a great server/client web stack"
 

docs/docs/videos.ko-KR.md

@@ -169,6 +169,6 @@ Server-side rendering을 위해 [SoundCloud](https://developers.soundcloud.com/b
 
 ### Introducing React Native (+Playlist) - React.js Conf 2015
 
-<iframe width="650" height="366" src="https://www.youtube-nocookie.com/watch?v=KVZ-P-ZI6W4&index=1&list=PLb0IAmt7-GS1cbw4qonlQztYV1TAW0sCr" frameborder="0" allowfullscreen></iframe>
+<iframe width="650" height="366" src="https://www.youtube-nocookie.com/v/KVZ-P-ZI6W4&index=1&list=PLb0IAmt7-GS1cbw4qonlQztYV1TAW0sCr" frameborder="0" allowfullscreen></iframe>
 
 2015년에 [Tom Occhino](https://twitter.com/tomocchino)님이 React의 과거와 현재를 리뷰하고 나아갈 방향을 제시했습니다.