Latest and Greatest additions to deploy-site

1. Added --no-backup switch
2. Added PORT variable to allow specifying non-standard/special ssh
   ports for your git repository server.
3. Added Apache performance enhancing capabilites (NOTE: Requires
   modifying Apache configuration as outline in the README file.)
4. Miscellaneous other improvements relating to destination file
   permissions, owner/group and acl's.
Merge pull request #2 from i1tech/master

Latest Updates from Classic Version