Merge installer changes
Installer: Better directory structure for SQL/PHP
Merge remote branch 'upstream/master' into k30_installer
Remove live update language files after merge
Installer: Start using modal instead of redirect
Merge remote branch 'upstream/master' into k30_installer
Kunena30/Joomla25 Backend: KunenaTabs implementation.
Kunena30/Joomla25 Backend: New language strings for filter buttons.
Kunena30/Joomla25 Backend: New initialization  file for backend templates.
Kunena30/Joomla25 Backend: KunenaTabs implementation javascript.
Kunena30/Joomla25 Backend: Bootstrap thin layer for backend.
Kunena30/Joomla25 Backend: Move logo large version to appropriate folder.
Kunena30/Joomla25 Backend: Override for bootstrap backend
Kunena30/Joomla30 Backend: Override for bootstrap backend
Kunena30/Joomla30 Backend: Move files into appropriate version directories.
Kunena30/Joomla25 Backend: Category level output change.
Kunena30/Joomla25 Backend: New initialization file for backend templates Part2.
Kunena30/Joomla25 Backend: Update title icons to correct names.
Kunena30/Jooml30 Backend: Cleanup.
Kunena30/Joomla25 Backend: Bootstrap implementation.