Add tor::repo class with apt::source from torproject.org .
Rename source name parameter.
Add tor::arm class.
Merge pull request #11 from pataquets/add-arm-class

Add tor::arm class.
Improve tor::repo and add tor::repo::debian classes.
Merge pull request #10 from pataquets/add-tor-repo-class

Add tor::repo class with apt::source from torproject.org.