Replaced "ns_mktemp" by "ad_tmpnam" to ease code maintenanceThe underlying C library API for "ns_mktemp" is deprecatedfor security reasons, we will have to do something about it.
Fix for updating the time window via configuration dialogIn cases, where no student submissions exists, updating the timewindow via the configuration dialog was ignored.Many thanks to Thomas Renner for finding the cause and providing a fix.
Improved appearance in TRN mode- don't set "alt" attribute in classic mode by default to the title. The title is often be provided as a message key, using it twice causes two edit controls- in acs-lang, the extra setting of link_html, which provided the title attribute can be omitted, since adp:icon renders this by itself.
beautify TRN mode in developer supportin essence, this change switches from CSS icons to <adp:icon>since in default setup (when no themes/icon sets are installed)the CSS based rendering was bad. Using <adp:icon> offersmore flexibility and tailorability.