Generalize the nightly download process

Deployment:
* Must follow config file changes

Change-Id: Ieb9cabc16fe2a6b42a5ca76b4ffa799ad6bf1794
Merge "Generalize the nightly download process"
Merge remote-tracking branch 'origin/master' into HEAD

Change-Id: I6b0fb64afb67e40ff90345be8eed16a96084a5a7