[PATCH stable] debian: configure editor and pager to sensible-\1 by default

[Augie Fackler]

# HG changeset patch
# User Augie Fackler <augie at google.com>
# Date 1492878557 14400
#      Sat Apr 22 12:29:17 2017 -0400
# Branch stable
# Node ID b5b6bd456279f011ec94f2a16a708d2833dd8119
# Parent  befefdd34cf80d4604ee96899196d946a0058e9f
debian: configure editor and pager to sensible-\1 by default

Now that environment variables override system-wide hgrc settings, we
can default Mercurial to sensible-editor and sensible-pager by default
for debian users.

diff --git a/contrib/debian/default-tools.rc b/contrib/debian/default-tools.rc
new file mode 100644
--- /dev/null
+++ b/contrib/debian/default-tools.rc
@@ -0,0 +1,3 @@
+[ui]
+editor = sensible-editor
+pager = sensible-pager