Tweaks to allow running dist.sh against trunk for pre-flighting releases.
Tweaks to allow running dist.sh against trunk for pre-flighting releases.

* dist.sh:
  (url): new var to indicate what we want to export
  (...): other tweaks to track above. comments. quoting a var for safety.


git-svn-id: 683495cb1553624b05a54e2ba9533425f69cf277@1516 61a7d7f5-40b7-0310-9c16-bb0ea8cb1845

coapp-packages/serf,coapp-packages/serf,coapp-packages/serf