tests/test-mq-qnew-twice

Make tests append settings to $HGRCPATH instead of $HGTMP/.hgrc
and add documentation for this.

#!/bin/sh

echo "[extensions]" >> $HGRCPATH
echo "mq=" >> $HGRCPATH

hg init a
cd a
hg qnew first.patch
hg qnew first.patch

touch ../first.patch
hg qimport ../first.patch

exit 0