Improvements and Fixes

Corrected display in FireFox; color drop down, pick list in search forms, position absolute is now down after load

Addition of various missing icons

Correction in calendar.js, February was not showing 29 days on a leap year

rvision to vCalendar regarding verbose mode and display of fields

General amelioration

Corrections in formtree, class.sql, form/cms_utilisateur.php, formrecherche

Revision to class.skin.php to prevent from using the frame param in skins without frames

Images in calendar second version

mas_droit_groupe has been renamed for mas_droit_groupes
