Several fixes to avoid strict warnings. Made a variable public in db_mysql.inc.php. Added missing language tokens to en_users.lng

* tidy tpl.php , removed $conf global 

* introduciton ISPC_WEB_PATH and ISPC_THEMES_PATH

* Adding new data schema (to be moved shortly
* no more $conf['classpath']

Added a deprecated warning in the interface/sql/ directory. The database sql dump in this directory is not the current development release and the directory will be removed as the installation related code is now located in the install/ tree. The current sql file is available in install/sql/

* Made parts php5
* Other minor tweaks

Fixed the uses function in app.inc.php