removed invalid css line
improved rightpanel css class
added classes to style the navigation panel
added flv_icon file
improved adamenu with navigation panel/resources styles
bug fix in removeEmptyElements method
video player code in rightpanel is generated with an ajax call to a script using media_viewing_classes
Fixed bug in user display news
Fixed bug in user.php
Modified search.php:deleted node in student $neededObjAr
Deleted $neededObjAr to main_index.php because it's repeated
Deleted old menu in tutor.tpl
Fixed bug in view.tpl
Addded iteration looking for the print.css file in external modules.
Moved executeSearch function from node_classes.inc.php to courses_classes.inc.php
Merge branch 'master' into ada-api