Add welcome-page translations in Polish and Japanese, and
	give the Brazilian Portuguese version the correct extension.

Submitted by:	mihau <mihau@gmx.net>, Makoto MATSUSHITA <matusita@matatabi.or.jp>
Reviewed by:	Ken Coar


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@84540 13f79535-47bb-0310-9956-ffa450edef68