mongodb modules want bind_ip to be a list

The mongodb puppet module expects bind_ip to be a list.  This is a small
patch to make that true in mongodb.pp.

Change-Id: Ia93f8489d7e49085506e2125a77fe2395126674b
Closes-bug: 1297984
mongodb/ceilmoneter manifests cannot depend on eachother

since mongodb and ceilometer classes are in separate manifests, possibly
on different hosts, they cannot depend on classes realized in the other
manifest.

Change-Id: I3710270900733705ce5ed052a52a2996d96f8756
Closes-bug: 1297995
Merge "mongodb modules want bind_ip to be a list"
Merge "mongodb/ceilmoneter manifests cannot depend on eachother"