fixed logo display in group info macro
fixed logo display in group info macro

svn@6681

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