updates images
Fix # 821 - fix to endorsed dist document
tech review comments on the Scheduler tutorial revisions
Merge pull request #823 from ggailey777/zumo_weekly

#809: tech review comments on the Scheduler tutorial revisions and other minor image updates
Updated DownloadSync method
tech review comments on the new zumo CLI topic
Merge pull request #822 from hjerezmsft/Linux2013

Fix # 821 - fix to endorsed dist document
Merge pull request #800 from Juliako/UpdateImages

updated images
Merge pull request #825 from Juliako/FixDownloadAsync

Updated DownloadSync method
MongoLab Node final draft edits
Merge pull request #828 from ggailey777/zumo_weekly

Issue #809: tech review comments on the new zumo CLI topic
Merge pull request #829 from esedor/master

MongoLab Node.js tutorial tweaks