Rename dns-release resource to bosh-dns-release.
Rename dns-release resource to bosh-dns-release.

[#150974136](https://www.pivotaltracker.com/story/show/150974136)

Signed-off-by: Dale Wick <188d987a4b971a1fecf708bf002a3b94c86c96a2@pivotal.io>

barthy1/bosh,barthy1/bosh,barthy1/bosh,barthy1/bosh