tests/test-merge3

commands: more informative description of "!" files in status

This makes the description more similar to the one used by Subversion.
Suggestion by Dennis Brakhane.

#!/bin/sh

hg init
echo This is file a1 > a
hg add a
hg commit -m "commit #0" -d "1000000 0"
touch b
hg add b
rm b
hg commit -A -m"comment #1" -d "1000000 0"