Changed the length of 'language' column in users table from 2 to 5, to allow long language codes like pt-br.

Updated portuguese translation (Arthur Zapparoli).
Current pt translation moved to pt-br.


git-svn-id: http://redmine.rubyforge.org/svn/trunk@518 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/views/mailer/document_add_pt.rhtml

@@ -1,4 +1,4 @@
-A document has been added to <%= @document.project.name %> (<%= @document.category.name %>):
+Um documento foi adicionado no projeto <%= @document.project.name %> (<%= @document.category.name %>):
 <%= l(:field_title) %>: <%= @document.title %>
 
 http://<%= Setting.host_name %>/documents/show/<%= @document.id %>