Log Message:
Update to 1.4:

1.4 - 2009-11-16

  core

     * summary: new command summarizes current working state
     * tags: new tag cache greatly speeds up tag operations
     * diff: new --stat option to show diffstat
     * diff: add --reverse option to diff
     * subrepo: fix a bunch of issues with the experimental subrepo extension
     * status: fixes for behavior when working with clock skew
     * clone: new -u/--updaterev option
     * templater: new latesttag and latesttagdistance keywords
     * push/pull: handle some broken pipe errors during large transfers
     * config: environment variables and ~user constructs are expanded in pathnames

  hgweb

     * fix for showing header lines in raw changeset diffs
     * try to send better error messages to the client
     * use config-supplied ordering by default in hgwebdir index pages
     * add web.descend option to disable showing all nested repositories in hgwebdir

  documentation and help

     * new config help topic
     * help texts are now written in reStructuredText format
     * many translation updates including a new Swedish translation
     * many help text updates and improvements

  extensions

     * mq: add -1 options to qapplied/qunapplied
     * patchbomb: add a --flag option to set a flag value in the Subject header
     * patchbomb: correctly handle Unicode domains (using the IDNA encoding scheme)
     * color: improve colorization of the qseries command
     * inotify: cleaner code, fixed pattern handling
     * zeroconf: show repository descriptions
     * rebase: some performance and correctness fixes
     * extdiff: add 3-way diff for merge changesets
     * convert: handle directory renaming in Darcs, fixed file renaming
     * relink: new extension which helps people re-hardlink their clones

  other

     * contrib/shrink-revlog.py script that can significantly shrink some \ 
internal hg files
     * work around non-standard locale settings on OS X