War on whitespace

This uses "git-apply --whitespace=strip" to fix whitespace errors that have
crept in to our source files over time.  There are a few files that need
to have trailing whitespaces (most notably, test vectors).  The results
still passes the test, and build result in Documentation/ area is unchanged.

Signed-off-by: Junio C Hamano <gitster@pobox.com>

gitweb/README

@@ -79,4 +79,3 @@ Originally written by:
 
 Any comment/question/concern to:
   Git mailing list <git@vger.kernel.org>
-