Update Stacks file
DEVELOPER-978 password vault

Initial recipients are: 

* Pete Muir
* Jason Porter
* Dan Coughlin
* Wes Bos
* Rafael Benevides
Merge pull request #517 from rafabene/DEVELOPER-945

Update Stacks file
Update cdn.yml
Merge pull request #519 from pmuir/DEVELOPER-978

DEVELOPER-978 password vault
Update cdn.yml
DEVELOPER-872 DEVELOPER-975

* fallout from aweplug video changes
* support for youtube
* load featured videos from google spreadsheet
* Make pretty format part of DateTime
Make the caching not suck