Fixed bug in courses_classes.inc.php, now MultiPort::getDSN()  takes the correct session tester.
removed not needed rows
Fixed bug in history_class.inc.php
added `last_access`, `exercises_test`, `score_test`, `exercises_survey`, `score_survey` to table `log_classi`
removed unneeded jQuery uniform inclusions
added $trackPageToNavigationHistory = false;
new tutor evaluate page, using log_classi table
Merge remote-tracking branch 'origin/master'
minor bug fix in average calculations
Merge branch 'new-tutor-report'
added clean_class_reportFN call to get_class_report_from_dbFN method
fixed bug in banner.inc.php:updated the php short tag
added topic tracking to history_esercizi table
Merge branch 'test-add-to-history'
topic tracking to history_esercizi table is done only if not showing
feedback
Changed behavior of Ada Error class, now an error in sending email is written to the log file.
fixed a bug that resetted the user level when setting the subscription status in a course instance
added a couple of database disconnection and fixed indentation
implemented new complete condition based on user level in a course instance
Merge branch 'level-complete-condition'