Issue #390: Upgrade to XWiki 4.5.3 Done.
Issue #390: Upgrade to XWiki 4.5.3
Done.

teyden/phenotips,itaiGershtansky/phenotips,DeanWay/phenotips,alexhenrie/phenotips,danielpgross/phenotips,DeanWay/phenotips,mjshepherd/phenotips,phenotips/phenotips,alexhenrie/phenotips,tmarathe/phenotips,JKereliuk/phenotips,itaiGershtansky/phenotips,DeanWay/phenotips,phenotips/phenotips,veronikaslc/phenotips,teyden/phenotips,veronikaslc/phenotips,phenotips/phenotips,alexhenrie/phenotips,tmarathe/phenotips,tmarathe/phenotips,JKereliuk/phenotips,teyden/phenotips,danielpgross/phenotips,veronikaslc/phenotips,phenotips/phenotips,teyden/phenotips,mjshepherd/phenotips,danielpgross/phenotips,itaiGershtansky/phenotips,mjshepherd/phenotips,JKereliuk/phenotips,phenotips/phenotips,teyden/phenotips