def job_name
      md5 = Digest::MD5.new
      md5 << name
      md5 << uri
      md5 << job_config_path.read
      md5 << builder.callback_url.to_s
      "#{name}-#{md5.hexdigest[0,12]}"
    end
def job_name
      md5 = Digest::MD5.new
      md5 << name
      md5 << uri
      md5 << job_config_path.read
      md5 << builder.callback_url.to_s
      "#{name}-#{md5.hexdigest[0,12]}"
    end
Calculate the name of the Jenkins job.

 Returns a String hash of this Repository name and uri.