Strip empty lines and trailing spaces around commit messages.
Fixes
issue213 and part of
issue249 (trying to keep node id on import)
Use "# Date" instead of "# Timestamp" for dated export/import of patches.
And don't break up list for % formatting.
Add timestamp field to export format. Make import and mq use it.
Fix hg view if author's name contains unmatched quotes. (
issue248)
This was caused by the often seen Tcl list vs. string programming error.