puppet-n1k-vsm project files missing

Cisco stackforge/puppet-n1k-vsm misses some files and changes to succesfully start
the puppet-n1k-vsm project. This commit addresses those changes to make sure we
can start committing stuff to this project.

Details of the changes:
- Rake and Gemfile files are needed for gate tests.
- Added the license and Modulefile files
- Changed manifest files to pass lint case and initial Unit Testing.

Change-Id: Ia65c8e09c9388709d1834ec7a4a120dfaef807ed