mergetools.hgrc: add vimdiff
Imported from deb_specific__mergetools patch in Debians patch queue:
http://svn.debian.org/viewsvn/python-apps/packages/mercurial/trunk/debian/patches/
--- a/contrib/mergetools.hgrc Sat Jul 03 02:06:07 2010 +0200
+++ b/contrib/mergetools.hgrc Sat Jul 03 02:15:25 2010 +0200
@@ -13,6 +13,9 @@
gvimdiff.regname=path
gvimdiff.priority=-9
+vimdiff.args=$local $other $base
+vimdiff.priority=-10
+
merge.checkconflicts=True
merge.priority=-100