apply: make --verbose a little more useful

When a patch fails, I automatically add '-v' to the command line
to see what fails.

This patch makes -v a synonym to --verbose, and actually tells
the user which text was not found.

Signed-off-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>