Translation to pt-BR (Brazilian Portuguese)

Trying again! :)
Translation to pt-BR (Brazilian Portuguese) - v.2

Some improvements were added.

* Added "DNS address" (line 1096) and "Secrect Key" (line 1166) that do not exist in the original file.
* Some other improvements in translation to pt-BR.

* A fix will be necessary in layout of Profile's page to adjust the width of Direct Message button. See line 1051.
Merge branch 'pr/107'

Conflicts:
	interface_localization.js