Switched Identity Sample App to stable identity API
Switched Appsquare Sample App to stable identity API and renamed chrome.extension.lastError to chrome.runtime.lastError
Forgot one mention of experimental identity API in Appsquare
Updated Instagram-auth to stable identity API and fixed key issue
Switched Google Drive Uploader Sample App to stable identity API
Merge remote-tracking branch 'upstream/master'
Renamed 'retainFiles' permission to 'retainEntries'
Merge branch 'master' of https://github.com/beaufortfrancois/chrome-app-samples into beaufortfrancois-master