2 links from README.md don't work

[mashablair]

Hello, these 2 links from the 'Learn More' section don't work (I get 404 error):

Design & UI > Animations and any other #animations updates on Google Developers

[umar51]

Description for io2015 exercise is in following link
http://clmirror.storage.googleapis.com/codelabs/web-animations-transitions-playbackcontrol/index.html?index=..%2F..index#0