Bring up an editor for --description if it's not supplied

Review Request #1417 — Created Feb. 16, 2010 and discarded — Latest diff uploaded

Information

psa
RBTools

Reviewers

If there's no description, bring up an editor to allow the user to enter one.

If they specify an editor to use, do that. Otherwise look for EDITOR in the
environment and if all else fails default to vi if on UNIX (the most likely
editor to be on any system).