updates about app domain, app diag, and logging of ad hoc text files
enabling diagnostics from powershell
further additions based on tech review with PMs
Merge branch 'master' of https://github.com/WindowsAzure/azure-content into update-logging
updates based on feedback
adding lastresort app settings entry
removing that last thing
Merge pull request #1483 from Blackmist/update-logging

Update logging