Rakefile:   fixed file list for the gem package; demo/ included, rake_helpers/ not.   upload_* tasks shortened to up_*   older gems are now deleted locally before uploding.
Rakefile:
  fixed file list for the gem package; demo/ included, rake_helpers/ not.
  upload_* tasks shortened to up_*
  older gems are now deleted locally before uploding.

git-svn-id: 3003a0d67ecddf9b67dc4af6cf35c502b83f6d3b@36 282260fa-4eda-c845-a9f0-6527b7353f92

raldred/CodeRay,raldred/CodeRay,raldred/CodeRay,raldred/CodeRay,raldred/CodeRay,raldred/CodeRay,raldred/CodeRay,raldred/CodeRay