Added guess-summary and guess-description options for git

Review Request #755 — Created March 2, 2009 and submitted

Information

llu
Review Board SVN (deprecated)
927

Reviewers

Added guess-summary and guess-description options for git
Works for posting this review.
chipx86
  1. Modified the help text to mention how the messages are computed, and that they're Git-only (we can change that down the road when we add this for more SCMs).
    
    Committed as r1812.
  2.