[br] 5 articles translated

These are the original files:

http://perlmaven.com/how-to-remove-copy-or-rename-a-file-with-perl
http://perlmaven.com/how-to-change-inc-to-find-perl-modules-in-non-standard-locations
http://perlmaven.com/download-and-install-perl
http://perlmaven.com/trim
http://perlmaven.com/perl-hashes