Fix broken dependency on cloud_provisioner

Prior to this commit, the dependency on puppetlabs/cloud_provisioner
was improperly formed and caused installation via the PMT to fail.

This commit corrects the dependency and increments the Modulefile
to version 0.0.4 for the release of this bug fix.
Merge pull request #6 from puppetlabs/bug/fix_dependency_metadata

Fix broken dependency on cloud_provisioner