#1598 Kunena Discuss & K3.0 - Include of kunena.link.class.php
Merge pull request #126 from xillibit/k30_discuss

#1598 Kunena Discuss & K3.0 - Include of kunena.link.class.php
Merge pull request #128 from xillibit/k30_addons_2

#125 J 2.5 - K3 - Kunena Login Module :Fix couples of issues
Remove xml files for Joomla 1.5
Merge pull request #127 from xillibit/k30_addons

Remove xml files for Joomla 1.5
Discuss plugin : remove J1.5 event support