+ - Increased security in html message.
+ - Added the possibility to specify system-defined css in order to
+ allow users to change the font family and size of SM. Making possible to
+ make it bigger or smaller depending on their screen size. Sysops may add
+ or remove these system-defined css located in themes/css/
+ - Fixed a bug appearing on some apache virtual hosts
+ - Fixed javascript error (#505255)
+ - Fixed the db_prefs so they work again (#499609)
+