Added MESSAGE about mergetools.rc.
Updated to version 2.11.2
Changelog:
TortoiseHg 2.11.2 is a regularly scheduled bug-fix release
Bug Fixes

    chunks: honor file encoding when displaying diffs (fixes #3660)
    copypatch: make revision 0 exportable to clipboard (fixes #3652)
    repoagent: fix comparison of subrepo path starting from root path (fixes #3688)
    shellconf: the label is utf8 encoding. Convert to unicode by decode()
    sync: open email dialog with numeric revs so that they can be sorted correctly
    thg: remove the -psn argument supplied by launchd only if present (refs #3437)
    wctxactions: refresh status after "renamed from" action (fixes #3671)
    wctxactions: refresh status when ignore dialog closed (fixes #3657)

Improvements

    fileview: save last selected encoding as widget's default (refs #3620)
    mergetools: add BeyondCompare 4 support (closes #3679)
    qfold: accept command by Ctrl+Return like commit or email dialog (closes #3650)