CURRIKI-3394 Update XWiki core to 1.8rc1
CURRIKI-3394 Update XWiki core to 1.8rc1

svn@17161

xwiki-contrib/currikiorg,i2geo/i2gCurrikiFork,xwiki-contrib/currikiorg,i2geo/i2gCurrikiFork,xwiki-contrib/currikiorg,i2geo/i2gCurrikiFork,i2geo/i2gCurrikiFork,xwiki-contrib/currikiorg,xwiki-contrib/currikiorg,xwiki-contrib/currikiorg,i2geo/i2gCurrikiFork,i2geo/i2gCurrikiFork,i2geo/i2gCurrikiFork