Upgradeing from Knowledgeroot 0.9.7RC1

1. Replace all files and modify config.inc.php
2. If you are using mysql you need to execute the following sql statement
ALTER TABLE `files` CHANGE `file` `file` LONGBLOB DEFAULT NULL;

Upgrade from Version 0.9.6[a-c] to Version 0.9.7RC1

1. replace all files with the new version
2. include the upgrade.sql to your database
3. copy config.inc.php.dist to config.inc.php in the config folder
4. modify the config.inc.php