Added git2debcl script for converting Git logs into the Debian changelog format
* Added -N command line argument to git2debcl and svn2debcl (allowing
  to number the project revision in the changelog by commit/revision)
* Fixed bu in git2debcl which would cause the script to fail if multiple
  root commits exist for a repository
* Changed output of remake_project() to mention contact in a dedicated
  line
* Incremented patch version