Merge with crew.

Use nullrev+count instead of count-1 in a newly introduced expression. Before that repo.changelog.tip() was used, but this yields a node. Of course many more places should be changed like this, this was just done as an example.

commands.docopy: pay attention on whether paths use "/" or os.sep

fix util.pathto All users of this function pass a local path (which uses os.sep) as the first argument and a "/"-separated path as the second argument.

don't use readline() to read branches.cache The posixfile_nt class used on windows doesn't have that method.

merge with upstream

zsh: typo in commit completion

issue228: Fix repositories at the filesystem root (/ or C:\) Thanks to Robert Shaw and other people on the list for the suggestions.

Export changelog dict in localrepo.commit

abort if explicitly committed files are not found or not tracked

unduplicate bundle writing code from httprepo

remove duplicate zgenerator in httprepo

create a readbundle function

move write_bundle to changegroup.py

remove legacy hg parents REV syntax

add log --removed

rename and copy are no longer experimental

alphabetize help_ in commands

remove relpath

refactor rawcommit

refactor debugrenamed

move show_version to version_

move walkchangerevs to cmdutils

Consolidate brinfo handling