8611512 Add command line options

Authored and Committed by pingou 7 years ago
    Add command line options
    
    - Add options R2rpm specific
    - Add general option
      - to force the redownload of the sources
      - to force the re-generation of the spec while running R2rpm
      - to keep the extracted sources in the current directory after having generated the spec
        
file modified
+25 -4