Throttle tripleo-cd.sh

Prevent tripleo-cd.sh from spamming IRC channels when it encounters an
error that happens early in the devtest_overcloud.sh story by throttling
it to running at most once every 10 minutes.

Change-Id: I703eb5ca5525eff97a6925cfe2c585f8908798c5
Add some more details about os-collect-config

Flesh out some details about the hoops you need to jump through to
integrate the cfn collector into a heat template. This info could
probably live somewhere else, but I figure adding here is a reasonable
starting point.

Change-Id: I163a4a7cc665292a814a693f83f947bb2b280970
Merge "Throttle tripleo-cd.sh"