Dev: some javascript for input.text and textarea.textarea in citronade . Show mandatory empty with other background
Dev : maybe put the js in survey_runtime.js when it's OK for all question type ( empty / notanswered class in javascript )

git-svn-id: file:///Users/Shitiz/Downloads/lssvn/source/limesurvey_ci@11314 b72ed6b6-b9f8-46b5-92b4-906544132732