pt_BR.ISO8859-1/articles/hubs: converted to .po

* content synchronized with en_US document (rev 51820)
* article.xml converted to .po
* .po file was translated to pt_BR
* .po and .xml file has been set to UTF-8 encoding
* information about volunteers who translated and/or revised the document was added to the header of the .po file

Approved by: gabor (mentor, implicit)
Obtained from: The FreeBSD Brazilian Portuguese Documentation Project

pt_BR.ISO8859-1/articles/hubs/Makefile

@@ -4,8 +4,6 @@
 #
 # $FreeBSD$
 #
-# Original revision: r38826
-#
 # Article: Mirroring FreeBSD
 
 DOC?= article