Update changelog with studio marketing site feature
BLD-541: Fix video controls on iPad.
Add tests for Android.
Address comments.
Set the registry for node in prereqs
Merge pull request #2037 from edx/will/npm-registry

Set the registry for node in prereqs
Merge pull request #1963 from edx/zoldak/update-changelog

Update changelog with studio marketing site feature
Merge pull request #1998 from edx/anton/fix-video-in-ipad

Fix video controls on iPad.