Move hgrc documentation out to its own man page, hgrc(5).
# HG changeset patch
# User Bryan O'Sullivan <bos@serpentine.com>
# Node ID
5076cf1fd6a1b8eb410e5e03cb004ca6a52a30f9
# Parent
7369ec5d93f2ffd490a43970edd9adf8d2bbe269
Move hgrc documentation out to its own man page, hgrc(5).
The new man page expands on the existing documentation by describing
the file format and the purpose of each section and field.