Kunena30/Joomla30 Backend: Few fixes.

Disabled config, disabled new language keys, removed iterative count and substituted ID inside smileys and ranks, removed Dashboard "Getting started".
Kunena30/Joomla25 Backend: Attachments fix.
Merge pull request #1425 from coder4life/master

Kunena30/Joomla30 Backend: #1424 Few fixes.