Update administrator/components/com_kunena/libraries/tables/kunena.php

Delete function usage missing $tables variable. Causes warning and delete to fail on frontend through api call (not sure why fails frontend only?).
Merge pull request #1404 from mahagr/master

Admin: Remove unused messages and topicicons views (code cleanup), model work
Installer: Better directory structure for SQL/PHP
Add color and border to list for autocompleter
Kunena30/Joomla30 Backend: Dashboard button, icons, and copyright

-Fixed Dashboard FIRST and LAST button CSS Selectors.  This was inherited from the Bootstrap UI Library.  We still want to treat these as buttons however we do not need the same styling. vAlso fixed a wrapping issue with buttons.
-Added Dashboard remaining manager buttons.
-Updated copyright year to 2013
Kunena30/Joomla30 Backend: Ranks updated variables to be consistent with other Models.
Kunena30/Joomla30 Backend: Ranks reordered short options to reflect column listings.
Kunena30/Joomla30 Backend: Attachment filter implementation.

-Updated model to follow Joomla 2.5+ parent class structure.
-Added FILTER implementations in the Model, View, and Template.
-Added SORT implementations in the Model, View, and Template. (NOTE: Sort is still broken for data pulled from other tables.
-Updated pagination implementation to follow Joomla 2.5+.
Kunena30/Joomla30 Backend: Configuration conversion to XML.

-Added all configuration options to XML (Should be able to access configuration through Joomla configuration options now, save will not work until JForm implementation) (Kunena is still using old configuration implementation, needs to be updated to JForm).
-Added updated language key naming standards and improved a few strings to be reusable with a naming structure.
Merge branch 'master' of git://github.com/Kunena/Kunena-2.0
Fix #1407: Template Manager gives 500 Internal Server Error
Fix #1381: Gravatar plugin does not work
Fix #1398: The time counter for x weeks doesn't work
Merge pull request #1414 from mahagr/master

Fix #1407, #1381, #1398
#1402 K3.0 Strapless: Incorrect redirection on button "Announcement"
Update readme.md about language files
Merge remote-tracking branch 'coder4life/master' into k30_bugs8
Merge pull request #1415 from xillibit/k30_bugs6

#1402 K3.0 Strapless: Incorrect redirection on button "Announcement"
Merge pull request #1416 from xillibit/k30_bugs7

Update readme.md about language files
Merge pull request #1409 from xillibit/k30_bugs4

Add color and border to list for autocompleter