Log Message:
Update to 2.0.1:

This is a regularly-scheduled bug-fix release.

    alias: shortcut command matching show shadowing works properly (issue3104)
    bundlerepo: don't write branch cache to disk
    clone: don't save user's password in .hg/hgrc (issue3122)
    convert/bzr: correctly handle divergent nested renames (issue3089)
    convert/bzr: fix test of divergent nested renames for bzr 1.x
    convert/svn: fix URL quoting issue with svn 1.7
    convert: handle trailing slashes in filemap better (issue3124)
    diff: '\ No newline at end of file' is also not part of the header
    diff: --ignore-blank-lines was too enthusiastic
    dirstate: fix case-folding identity for traditional Unix
    graft: disallow grafting grafted csets in specific situations (issue3091)
    graft: preserve original source in subsequent grafts
    hook: flush stdout before redirecting to stderr
    import: fix parent selection when importing merges
    largefiles: ensure destination directory exists before findfile links to there
    largefiles: file storage should be relative to repo, not relative to cwd
    largefiles: fix 'hg clone . ../foo' OSError abort
    largefiles: fix rename (issue3093)
    largefiles: treat status of cache missed largefiles as "missing" \ 
correctly
    largefiles: use "ui.configlist()" to get largefiles.patterns \ 
configuration
    largefiles: write .hg/largefiles/ files atomically
    makedate: wrong timezone offset if DST rules changed this year (issue2511)
    mdiff/patch: fix bad hunk handling for unified diffs with zero context
    posix: add extended support for OS X path folding
    posix: fix findexe() to check for file type and access
    rebase: ensure target is not taken as external (issue3085)
    rebase: treat nullmerge as a special case in rebasestate (issue3046)
    revset: balance %l or-expressions (issue3129)
    revset: follow(nosuchfile) should give an empty set (issue3114)
    subrepo: fix git status false positive (issue3109)
    subrepo: use correct paths for subrepos with ..-relative paths on windows
    update: don't clobber untracked files with wrong casing
    url: handle file://localhost/c:/foo "correctly"