Remove --bind-interfaces from bm dnsmasq

It causes dnsmasq to fail statup if the interface doesn't exist, this is
the case in the puppet case because of the order somethings are
happening in.
Bootstap config files with correct db password

We shouldn't need these here, only added bacuse reset-db runs a db-sync
in the image before puppet runs and sets the password so for these
passwords need to match what is going to be used in the heat template,
this should change when the mysql element is replaced with puppet.
Search the os-collect-config metadata

As os-collect-config is now used the metadata is stored in a new path
/var/run/os-collect-config/cfn.json