[misc] Wrong SSX usage value
Issue #448: Upgrade to XWiki 5.0.1
Done.
[misc] Improved the style of the suggest widget
[misc] The Controlled Group widget should really disable the inputs in the disabled section
[misc] Unescape character
Issue #449: Add a favicon
Done.
Issue #450: Forbid reusing the same external identifier for different patients
Done.
[misc] Synchronize patient template with the class
[misc] Tiny fixes
[misc] The half_width display only worked for the patient's name; made it generic
Issue #451: New patient information: proband or member of the family of another proband
Issue #452: New patient information: in vitro fertilization
Issue #453: New patient information: maternal and paternal ethnicity
Done.