subrepo: propagate matcher to subrepos when archiving
Add a match object to subrepo.archive(). This will allow the -X and -I
options to be honored inside subrepos when archiving. They formerly
only affect the top level repo.
$ "$TESTDIR/hghave" pyflakes || exit 80
$ cd "`dirname "$TESTDIR"`"
$ pyflakes mercurial hgext 2>&1 | "$TESTDIR/filterpyflakes.py"
hgext/inotify/linux/__init__.py:*: 'from _inotify import *' used; unable to detect undefined names (glob)