Fixed issue: #08206: Add answers to the set of labels is not possible in language code for "-" eg: pt-BR.
Dev: move control to rules
Dev: Add isLanguage and isLanguageMulti in LSYii_Validators : maybe best is to Add an LSlang_Validators ?
Dev: TODO : use new rules if possible
Fixed issue #8118: Participant can upload file without size limit with question type fileupload.
Dev: quick fix
Dev: max file is done by EM in survey page
Dev: Add preview in take from PHP
Dev: implement timepicker add-on for datepicker

Dev: just preparatory steps, for now functionality
Dev: should mimick the normal datepicker
Dev: better fix for #8141: Unable to set publicurl
Dev: don't control publicurl if is set: let admin make good decision
Dev: don't update getComponent('urlManager')
Dev: hope final fix for #8141: Unable to set publicurl
Dev: final only for createAbsoluteUrl :)
Fixed issue #8238: Image url in email editor don't take publicurl configuration
Dev: fix $_SESSION['KCFINDER']['uploadURL'] for emailsettings
Dev: need a function or reviewing configuration system ?
Fixed issue #8242: Wrong two digit year recorded

Dev: Datepicker uses yy for four digit year, y for two digits.
Dev: wrong jsdate lead to truncation of year ("2013"->"20")
Dev: date/time conversion fails with leading spaces