Add Russian language

Add Russian language file
Create lang.it.php
Merge pull request #12 from alexbirukov/master

Add Russian language
Merge pull request #13 from DaveRev/patch-1

Add Italian language
PT BR translation
Merge pull request #14 from germchaos/ptbr

Portuguese (Brazil) translation added.
Headlines are not unique, remove unique id
Fix content block spacing
Version 2.1.2