added `utente`.`citta_nascita` and `utente`.`provincia_nascita`
changed `utente`.`citta_nascita` and `utente`.`provincia_nascita` to `birthcity` and `birthprovince`
added `birthcity` and `birthprovince` business logic
bug fix when exporting surveys and on media files array creation
widget twitter minor bugfix
added news widget and moved home page news to use it
Merge branch 'news-widget'
dummy commit
bug fix for utf-8 encoded contents
bug fix for utf-8 encoded contents
getting only leaf and group node types in news selection query
getting only leaf and group node types in news selection query
fixed bug in test interaction (aka feedback) select code generation
fixed error in subscribe course (user was not added to provider)
Merge branch 'news-widget'
select instance css
ask user to select an instance when asked node belongs to more than one instance and cannot guess which one he's browsing
added cross course node navigation (one node can link to a node in a different course)
fixed toAray in cas of fieldset
user type switcher can edit student profile with all extended data