UP-4731: Upgrade xStream and Commons BeanUtils
UP-4731: Upgrade xStream and Commons BeanUtils

GIP-RECIA/esco-portail,GIP-RECIA/esup-uportal,cousquer/uPortal,phillips1021/uPortal,GIP-RECIA/esup-uportal,GIP-RECIA/esup-uportal,stalele/uPortal,cousquer/uPortal,jonathanmtran/uPortal,stalele/uPortal,groybal/uPortal,GIP-RECIA/esup-uportal,ChristianMurphy/uPortal,groybal/uPortal,groybal/uPortal,cousquer/uPortal,phillips1021/uPortal,mgillian/uPortal,jonathanmtran/uPortal,bjagg/uPortal,phillips1021/uPortal,Jasig/uPortal,phillips1021/uPortal,Jasig/uPortal,ChristianMurphy/uPortal,jonathanmtran/uPortal,mgillian/uPortal,stalele/uPortal,bjagg/uPortal,mgillian/uPortal,Jasig/uPortal,phillips1021/uPortal,stalele/uPortal,GIP-RECIA/esco-portail,GIP-RECIA/esup-uportal,groybal/uPortal,ChristianMurphy/uPortal,bjagg/uPortal,stalele/uPortal,groybal/uPortal,GIP-RECIA/esco-portail